diff --git a/Cesium.CodeGen.Tests/verified/CodeGenNetInteropTests.VoidPtrInterop_architecture=Dynamic.verified.txt b/Cesium.CodeGen.Tests/verified/CodeGenNetInteropTests.VoidPtrInterop_architecture=Dynamic.verified.txt
index c57a332d..38931ba8 100644
--- a/Cesium.CodeGen.Tests/verified/CodeGenNetInteropTests.VoidPtrInterop_architecture=Dynamic.verified.txt
+++ b/Cesium.CodeGen.Tests/verified/CodeGenNetInteropTests.VoidPtrInterop_architecture=Dynamic.verified.txt
@@ -7,9 +7,10 @@
       IL_0000: ldc.i4.0
       IL_0001: stloc.0
       IL_0002: ldloca.s V_0
-      IL_0004: call Cesium.Runtime.VoidPtr Cesium.Runtime.VoidPtr::op_Implicit(System.Void*)
-      IL_0009: call System.Int32 Test::Func(Cesium.Runtime.VoidPtr)
-      IL_000e: ret
+      IL_0004: conv.i
+      IL_0005: call Cesium.Runtime.VoidPtr Cesium.Runtime.VoidPtr::op_Implicit(System.Void*)
+      IL_000a: call System.Int32 Test::Func(Cesium.Runtime.VoidPtr)
+      IL_000f: ret
 
     System.Int32 <Module>::<SyntheticEntrypoint>()
       Locals:
diff --git a/Cesium.CodeGen.Tests/verified/CodeGenNetInteropTests.VoidPtrInterop_architecture=Wide.verified.txt b/Cesium.CodeGen.Tests/verified/CodeGenNetInteropTests.VoidPtrInterop_architecture=Wide.verified.txt
index c57a332d..38931ba8 100644
--- a/Cesium.CodeGen.Tests/verified/CodeGenNetInteropTests.VoidPtrInterop_architecture=Wide.verified.txt
+++ b/Cesium.CodeGen.Tests/verified/CodeGenNetInteropTests.VoidPtrInterop_architecture=Wide.verified.txt
@@ -7,9 +7,10 @@
       IL_0000: ldc.i4.0
       IL_0001: stloc.0
       IL_0002: ldloca.s V_0
-      IL_0004: call Cesium.Runtime.VoidPtr Cesium.Runtime.VoidPtr::op_Implicit(System.Void*)
-      IL_0009: call System.Int32 Test::Func(Cesium.Runtime.VoidPtr)
-      IL_000e: ret
+      IL_0004: conv.i
+      IL_0005: call Cesium.Runtime.VoidPtr Cesium.Runtime.VoidPtr::op_Implicit(System.Void*)
+      IL_000a: call System.Int32 Test::Func(Cesium.Runtime.VoidPtr)
+      IL_000f: ret
 
     System.Int32 <Module>::<SyntheticEntrypoint>()
       Locals:
diff --git a/Cesium.CodeGen/Ir/Expressions/TypeCastExpression.cs b/Cesium.CodeGen/Ir/Expressions/TypeCastExpression.cs
index 0c3ddbf0..2d9bbca6 100644
--- a/Cesium.CodeGen/Ir/Expressions/TypeCastExpression.cs
+++ b/Cesium.CodeGen/Ir/Expressions/TypeCastExpression.cs
@@ -60,6 +60,7 @@ public void EmitTo(IEmitScope scope)
         {
             if (iType.UnderlyingType.FullName == TypeSystemEx.VoidPtrFullTypeName)
             {
+                Add(OpCodes.Conv_I); // TODO: Should only emit if required.
                 scope.Method.Body.Instructions.Add(
                     Instruction.Create(OpCodes.Call, iType.GetConvertCall(scope.AssemblyContext)));
             }