diff --git a/x-pack/winlogbeat/module/sysmon/config/winlogbeat-sysmon.js b/x-pack/winlogbeat/module/sysmon/config/winlogbeat-sysmon.js
index 58393b7d95c..852688a4400 100644
--- a/x-pack/winlogbeat/module/sysmon/config/winlogbeat-sysmon.js
+++ b/x-pack/winlogbeat/module/sysmon/config/winlogbeat-sysmon.js
@@ -394,7 +394,7 @@ var sysmon = (function () {
         .AddFields({
             "fields": {
                 "event.category": "process",
-                "event.type:": "process_start",
+                "event.type": "process_start",
             },
             "target": "",
         })
@@ -489,7 +489,7 @@ var sysmon = (function () {
         .AddFields({
             "fields": {
                 "event.category": "process",
-                "event.type:": "process_end",
+                "event.type": "process_end",
             },
             "target": "",
         })
diff --git a/x-pack/winlogbeat/module/sysmon/test/testdata/sysmon-9.01.evtx.golden.json b/x-pack/winlogbeat/module/sysmon/test/testdata/sysmon-9.01.evtx.golden.json
index 4ce4a3f0c01..a500ebdc053 100644
--- a/x-pack/winlogbeat/module/sysmon/test/testdata/sysmon-9.01.evtx.golden.json
+++ b/x-pack/winlogbeat/module/sysmon/test/testdata/sysmon-9.01.evtx.golden.json
@@ -77,7 +77,7 @@
       "code": 1,
       "kind": "event",
       "module": "sysmon",
-      "type:": "process_start"
+      "type": "process_start"
     },
     "hash": {
       "sha1": "ac93c3b38e57a2715572933dbcb2a1c2892dbc5e"
@@ -148,7 +148,7 @@
       "code": 1,
       "kind": "event",
       "module": "sysmon",
-      "type:": "process_start"
+      "type": "process_start"
     },
     "hash": {
       "sha1": "6df8163a6320b80b60733f9d62e2f39b4b16b678"
@@ -222,7 +222,7 @@
       "code": 5,
       "kind": "event",
       "module": "sysmon",
-      "type:": "process_end"
+      "type": "process_end"
     },
     "log": {
       "level": "information"
@@ -263,7 +263,7 @@
       "code": 5,
       "kind": "event",
       "module": "sysmon",
-      "type:": "process_end"
+      "type": "process_end"
     },
     "log": {
       "level": "information"
@@ -304,7 +304,7 @@
       "code": 1,
       "kind": "event",
       "module": "sysmon",
-      "type:": "process_start"
+      "type": "process_start"
     },
     "hash": {
       "sha1": "5a4c0e82ff95c9fb762d46a696ef9f1b68001c21"
@@ -1340,7 +1340,7 @@
       "code": 5,
       "kind": "event",
       "module": "sysmon",
-      "type:": "process_end"
+      "type": "process_end"
     },
     "log": {
       "level": "information"
@@ -1381,7 +1381,7 @@
       "code": 5,
       "kind": "event",
       "module": "sysmon",
-      "type:": "process_end"
+      "type": "process_end"
     },
     "log": {
       "level": "information"
@@ -1606,7 +1606,7 @@
       "code": 5,
       "kind": "event",
       "module": "sysmon",
-      "type:": "process_end"
+      "type": "process_end"
     },
     "log": {
       "level": "information"
@@ -1732,4 +1732,4 @@
       "version": 4
     }
   }
-]
\ No newline at end of file
+]