diff --git a/adapters/yieldmo/yieldmo.go b/adapters/yieldmo/yieldmo.go
index ffb2e40b649..d328d82a5fb 100644
--- a/adapters/yieldmo/yieldmo.go
+++ b/adapters/yieldmo/yieldmo.go
@@ -123,7 +123,7 @@ func (a *YieldmoAdapter) MakeBids(internalRequest *openrtb.BidRequest, externalR
 		for i := range sb.Bid {
 			bidResponse.Bids = append(bidResponse.Bids, &adapters.TypedBid{
 				Bid:     &sb.Bid[i],
-				BidType: "banner",
+				BidType: getMediaTypeForImp(sb.Bid[i].ImpID, internalRequest.Imp),
 			})
 		}
 	}
@@ -136,3 +136,13 @@ func NewYieldmoBidder(endpoint string) *YieldmoAdapter {
 		endpoint: endpoint,
 	}
 }
+
+func getMediaTypeForImp(impId string, imps []openrtb.Imp) openrtb_ext.BidType {
+	//default to video unless banner exists in impression
+	for _, imp := range imps {
+		if imp.ID == impId && imp.Banner != nil {
+			return openrtb_ext.BidTypeBanner
+		}
+	}
+	return openrtb_ext.BidTypeVideo
+}
diff --git a/adapters/yieldmo/yieldmotest/exemplary/app-banner.json b/adapters/yieldmo/yieldmotest/exemplary/app-banner.json
new file mode 100644
index 00000000000..e674cf11539
--- /dev/null
+++ b/adapters/yieldmo/yieldmotest/exemplary/app-banner.json
@@ -0,0 +1,97 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": [
+      {
+        "id": "test-imp-id",
+        "banner": {
+          "format": [
+            {
+              "w": 300,
+              "h": 250
+            }
+          ]
+        },
+        "ext": {
+          "bidder": {
+            "placementId": "123"
+          }
+        }
+      }
+    ],
+    "app": {
+      "id": "fake-app-id"
+    }
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "https://ads.yieldmo.com/openrtb2",
+        "body": {
+          "id": "test-request-id",
+          "imp": [
+            {
+              "id": "test-imp-id",
+              "banner": {
+                "format": [
+                  {
+                    "w": 300,
+                    "h": 250
+                  }
+                ]
+              },
+              "ext": {
+                "placement_id": "123"
+              }
+            }
+          ],
+          "app": {
+            "id": "fake-app-id"
+          }
+        }
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "test-request-id",
+          "seatbid": [
+            {
+              "seat": "yieldmo",
+              "bid": [
+                {
+                  "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+                  "impid": "test-imp-id",
+                  "price": 0.500000,
+                  "adm": "some-test-ad",
+                  "crid": "crid_10",
+                  "h": 250,
+                  "w": 300
+                }
+              ]
+            }
+          ],
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "currency": "EUR",
+      "bids": [
+        {
+          "bid": {
+            "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+            "impid": "test-imp-id",
+            "price": 0.5,
+            "adm": "some-test-ad",
+            "crid": "crid_10",
+            "w": 300,
+            "h": 250
+          },
+          "type": "banner"
+        }
+      ]
+    }
+  ]
+}
diff --git a/adapters/yieldmo/yieldmotest/exemplary/app_video.json b/adapters/yieldmo/yieldmotest/exemplary/app_video.json
new file mode 100644
index 00000000000..e33c37f69bf
--- /dev/null
+++ b/adapters/yieldmo/yieldmotest/exemplary/app_video.json
@@ -0,0 +1,95 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": [
+      {
+        "id": "test-imp-id",
+        "video": {
+          "w": 300,
+          "h": 250,
+          "startdelay": 0,
+          "protocols": [2],
+          "mimes": ["video/mp4", "application/javascript"]
+        },
+        "ext": {
+          "bidder": {
+            "placementId": "123"
+          }
+        }
+      }
+    ],
+    "app": {
+      "id": "fake-app-id"
+    }
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "https://ads.yieldmo.com/openrtb2",
+        "body": {
+          "id": "test-request-id",
+          "imp": [
+            {
+              "id": "test-imp-id",
+              "video": {
+                "w": 300,
+                "h": 250,
+                "startdelay": 0,
+                "protocols": [2],
+                "mimes": ["video/mp4", "application/javascript"]
+              },
+              "ext": {
+                "placement_id": "123"
+              }
+            }
+          ],
+          "app": {
+            "id": "fake-app-id"
+          }
+        }
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "test-request-id",
+          "seatbid": [
+            {
+              "seat": "yieldmo",
+              "bid": [
+                {
+                  "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+                  "impid": "test-imp-id",
+                  "price": 0.500000,
+                  "adm": "some-test-ad",
+                  "crid": "crid_10",
+                  "h": 250,
+                  "w": 300
+                }
+              ]
+            }
+          ],
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "currency": "EUR",
+      "bids": [
+        {
+          "bid": {
+            "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+            "impid": "test-imp-id",
+            "price": 0.5,
+            "adm": "some-test-ad",
+            "crid": "crid_10",
+            "w": 300,
+            "h": 250
+          },
+          "type": "video"
+        }
+      ]
+    }
+  ]
+}
diff --git a/adapters/yieldmo/yieldmotest/exemplary/simple_video.json b/adapters/yieldmo/yieldmotest/exemplary/simple_video.json
new file mode 100644
index 00000000000..aaf53124365
--- /dev/null
+++ b/adapters/yieldmo/yieldmotest/exemplary/simple_video.json
@@ -0,0 +1,95 @@
+{
+  "mockBidRequest": {
+    "id": "test-request-id",
+    "imp": [
+      {
+        "id": "test-imp-id",
+        "video": {
+          "w": 300,
+          "h": 250,
+          "startdelay": 0,
+          "protocols": [2],
+          "mimes": ["video/mp4", "application/javascript"]
+        },
+        "ext": {
+          "bidder": {
+            "placementId": "123"
+          }
+        }
+      }
+    ],
+    "site": {
+      "id": "fake-site-id"
+    }
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "uri": "https://ads.yieldmo.com/openrtb2",
+        "body": {
+          "id": "test-request-id",
+          "imp": [
+            {
+              "id": "test-imp-id",
+              "video": {
+                "w": 300,
+                "h": 250,
+                "startdelay": 0,
+                "protocols": [2],
+                "mimes": ["video/mp4", "application/javascript"]
+              },
+              "ext": {
+                "placement_id": "123"
+              }
+            }
+          ],
+          "site": {
+            "id": "fake-site-id"
+          }
+        }
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "test-request-id",
+          "seatbid": [
+            {
+              "seat": "yieldmo",
+              "bid": [
+                {
+                  "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+                  "impid": "test-imp-id",
+                  "price": 0.500000,
+                  "adm": "some-test-ad",
+                  "crid": "crid_10",
+                  "h": 250,
+                  "w": 300
+                }
+              ]
+            }
+          ],
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "currency": "EUR",
+      "bids": [
+        {
+          "bid": {
+            "id": "8ee514f1-b2b8-4abb-89fd-084437d1e800",
+            "impid": "test-imp-id",
+            "price": 0.5,
+            "adm": "some-test-ad",
+            "crid": "crid_10",
+            "w": 300,
+            "h": 250
+          },
+          "type": "video"
+        }
+      ]
+    }
+  ]
+}
diff --git a/static/bidder-info/yieldmo.yaml b/static/bidder-info/yieldmo.yaml
index 514f17455ea..64cda519acd 100644
--- a/static/bidder-info/yieldmo.yaml
+++ b/static/bidder-info/yieldmo.yaml
@@ -1,6 +1,11 @@
 maintainer:
   email: "prebid@yieldmo.com"
 capabilities:
+  app:
+    mediaTypes:
+    - banner
+    - video
   site:
     mediaTypes:
     - banner
+    - video