diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8825b8985ca..ce80e488788 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,9 @@
 # Change log
 
-### vNEXT
+### 4.0.0
 
-* ...
+* Fix template strings usage in guessSchemaByRootField error message.  <br/>
+  [@nagelflorian](https://github.com/nagelflorian) in [#936](https://github.com/apollographql/graphql-tools/pull/936)
 
 ### v3.1.1
 
diff --git a/src/stitching/mergeSchemas.ts b/src/stitching/mergeSchemas.ts
index d1a161dde07..83bb0cbd93d 100644
--- a/src/stitching/mergeSchemas.ts
+++ b/src/stitching/mergeSchemas.ts
@@ -351,7 +351,7 @@ function guessSchemaByRootField(
     }
   }
   throw new Error(
-    `Could not find subschema with field \`{operation}.{fieldName}\``,
+    `Could not find subschema with field \`${operation}.${fieldName}\``,
   );
 }