diff --git a/tests/baselines/reference/enumAssignmentCompat3.errors.txt b/tests/baselines/reference/enumAssignmentCompat3.errors.txt
index c34ad434347..02cb4314777 100644
--- a/tests/baselines/reference/enumAssignmentCompat3.errors.txt
+++ b/tests/baselines/reference/enumAssignmentCompat3.errors.txt
@@ -1,16 +1,16 @@
-tests/cases/compiler/enumAssignmentCompat3.ts(58,1): error TS2322: Type 'Abcd.E' is not assignable to type 'First.E'.
+tests/cases/compiler/enumAssignmentCompat3.ts(68,1): error TS2322: Type 'Abcd.E' is not assignable to type 'First.E'.
   Property 'd' is missing in type 'First.E'.
-tests/cases/compiler/enumAssignmentCompat3.ts(60,1): error TS2322: Type 'Cd.E' is not assignable to type 'First.E'.
+tests/cases/compiler/enumAssignmentCompat3.ts(70,1): error TS2322: Type 'Cd.E' is not assignable to type 'First.E'.
   Property 'd' is missing in type 'First.E'.
-tests/cases/compiler/enumAssignmentCompat3.ts(61,1): error TS2322: Type 'Nope' is not assignable to type 'E'.
-tests/cases/compiler/enumAssignmentCompat3.ts(65,1): error TS2322: Type 'First.E' is not assignable to type 'Ab.E'.
+tests/cases/compiler/enumAssignmentCompat3.ts(71,1): error TS2322: Type 'Nope' is not assignable to type 'E'.
+tests/cases/compiler/enumAssignmentCompat3.ts(75,1): error TS2322: Type 'First.E' is not assignable to type 'Ab.E'.
   Property 'c' is missing in type 'Ab.E'.
-tests/cases/compiler/enumAssignmentCompat3.ts(66,1): error TS2322: Type 'First.E' is not assignable to type 'Cd.E'.
+tests/cases/compiler/enumAssignmentCompat3.ts(76,1): error TS2322: Type 'First.E' is not assignable to type 'Cd.E'.
   Property 'a' is missing in type 'Cd.E'.
-tests/cases/compiler/enumAssignmentCompat3.ts(67,1): error TS2322: Type 'E' is not assignable to type 'Nope'.
-tests/cases/compiler/enumAssignmentCompat3.ts(72,1): error TS2322: Type 'Const.E' is not assignable to type 'First.E'.
-tests/cases/compiler/enumAssignmentCompat3.ts(73,1): error TS2322: Type 'First.E' is not assignable to type 'Const.E'.
-tests/cases/compiler/enumAssignmentCompat3.ts(76,1): error TS2322: Type 'Merged.E' is not assignable to type 'First.E'.
+tests/cases/compiler/enumAssignmentCompat3.ts(77,1): error TS2322: Type 'E' is not assignable to type 'Nope'.
+tests/cases/compiler/enumAssignmentCompat3.ts(82,1): error TS2322: Type 'Const.E' is not assignable to type 'First.E'.
+tests/cases/compiler/enumAssignmentCompat3.ts(83,1): error TS2322: Type 'First.E' is not assignable to type 'Const.E'.
+tests/cases/compiler/enumAssignmentCompat3.ts(86,1): error TS2322: Type 'Merged.E' is not assignable to type 'First.E'.
   Property 'd' is missing in type 'First.E'.
 
 
@@ -62,6 +62,15 @@ tests/cases/compiler/enumAssignmentCompat3.ts(76,1): error TS2322: Type 'Merged.
         }
     }
     
+    namespace Merged2 {
+        export enum E {
+            a, b, c
+        }
+        export module E {
+            export let d = 5;
+        }
+    }
+    
     var abc: First.E;
     var secondAbc: Abc.E;
     var secondAbcd: Abcd.E;
@@ -71,6 +80,7 @@ tests/cases/compiler/enumAssignmentCompat3.ts(76,1): error TS2322: Type 'Merged.
     var k: Const.E;
     var decl: Decl.E;
     var merged: Merged.E;
+    var merged2: Merged2.E;
     abc = secondAbc; // ok
     abc = secondAbcd; // missing 'd'
     ~~~
@@ -114,4 +124,6 @@ tests/cases/compiler/enumAssignmentCompat3.ts(76,1): error TS2322: Type 'Merged.
     ~~~
 !!! error TS2322: Type 'Merged.E' is not assignable to type 'First.E'.
 !!! error TS2322:   Property 'd' is missing in type 'First.E'.
-    merged = abc; // ok
\ No newline at end of file
+    merged = abc; // ok
+    abc = merged2; // ok
+    merged2 = abc; // ok
\ No newline at end of file
diff --git a/tests/baselines/reference/enumAssignmentCompat3.js b/tests/baselines/reference/enumAssignmentCompat3.js
index e43874911ce..74f74ab1652 100644
--- a/tests/baselines/reference/enumAssignmentCompat3.js
+++ b/tests/baselines/reference/enumAssignmentCompat3.js
@@ -46,6 +46,15 @@ namespace Merged {
     }
 }
 
+namespace Merged2 {
+    export enum E {
+        a, b, c
+    }
+    export module E {
+        export let d = 5;
+    }
+}
+
 var abc: First.E;
 var secondAbc: Abc.E;
 var secondAbcd: Abcd.E;
@@ -55,6 +64,7 @@ var nope: Abc.Nope;
 var k: Const.E;
 var decl: Decl.E;
 var merged: Merged.E;
+var merged2: Merged2.E;
 abc = secondAbc; // ok
 abc = secondAbcd; // missing 'd'
 abc = secondAb; // ok
@@ -75,7 +85,9 @@ k = abc;
 
 // merged enums compare all their members
 abc = merged; // missing 'd'
-merged = abc; // ok
+merged = abc; // ok
+abc = merged2; // ok
+merged2 = abc; // ok
 
 //// [enumAssignmentCompat3.js]
 var First;
@@ -144,6 +156,19 @@ var Merged;
     })(Merged.E || (Merged.E = {}));
     var E = Merged.E;
 })(Merged || (Merged = {}));
+var Merged2;
+(function (Merged2) {
+    (function (E) {
+        E[E["a"] = 0] = "a";
+        E[E["b"] = 1] = "b";
+        E[E["c"] = 2] = "c";
+    })(Merged2.E || (Merged2.E = {}));
+    var E = Merged2.E;
+    var E;
+    (function (E) {
+        E.d = 5;
+    })(E = Merged2.E || (Merged2.E = {}));
+})(Merged2 || (Merged2 = {}));
 var abc;
 var secondAbc;
 var secondAbcd;
@@ -153,6 +178,7 @@ var nope;
 var k;
 var decl;
 var merged;
+var merged2;
 abc = secondAbc; // ok
 abc = secondAbcd; // missing 'd'
 abc = secondAb; // ok
@@ -172,3 +198,5 @@ k = abc;
 // merged enums compare all their members
 abc = merged; // missing 'd'
 merged = abc; // ok
+abc = merged2; // ok
+merged2 = abc; // ok
diff --git a/tests/cases/compiler/enumAssignmentCompat3.ts b/tests/cases/compiler/enumAssignmentCompat3.ts
index 33070572661..97a136468e3 100644
--- a/tests/cases/compiler/enumAssignmentCompat3.ts
+++ b/tests/cases/compiler/enumAssignmentCompat3.ts
@@ -45,6 +45,15 @@ namespace Merged {
     }
 }
 
+namespace Merged2 {
+    export enum E {
+        a, b, c
+    }
+    export module E {
+        export let d = 5;
+    }
+}
+
 var abc: First.E;
 var secondAbc: Abc.E;
 var secondAbcd: Abcd.E;
@@ -54,6 +63,7 @@ var nope: Abc.Nope;
 var k: Const.E;
 var decl: Decl.E;
 var merged: Merged.E;
+var merged2: Merged2.E;
 abc = secondAbc; // ok
 abc = secondAbcd; // missing 'd'
 abc = secondAb; // ok
@@ -74,4 +84,6 @@ k = abc;
 
 // merged enums compare all their members
 abc = merged; // missing 'd'
-merged = abc; // ok
\ No newline at end of file
+merged = abc; // ok
+abc = merged2; // ok
+merged2 = abc; // ok
\ No newline at end of file