diff --git a/src/hx/cppia/CppiaCompiler.cpp b/src/hx/cppia/CppiaCompiler.cpp
index e6f8087e9..3d16cd81f 100644
--- a/src/hx/cppia/CppiaCompiler.cpp
+++ b/src/hx/cppia/CppiaCompiler.cpp
@@ -898,7 +898,7 @@ class CppiaJitCompiler : public CppiaCompiler
                {
                   if (inSrc.uses(SLJIT_R1))
                   {
-                     move(sJitArg0, inSrc);
+                     move(sJitArg0.as(jtInt), inSrc.as(jtInt));
                      add( sJitTemp1, inTarget.getReg(), inTarget.offset );
                      callNative( (void *)intToStr, sJitArg0.as(jtInt), sJitTemp1.as(jtPointer));
                   }
@@ -917,7 +917,7 @@ class CppiaJitCompiler : public CppiaCompiler
             case etObject:
                if (inSrc.uses(SLJIT_R1))
                {
-                  move(sJitArg0, inSrc);
+                  move(sJitArg0.as(jtPointer), inSrc.as(jtPointer));
                   add( sJitTemp1, inTarget.getReg(), inTarget.offset );
                   callNative( (void *)objToStr, sJitArg0.as(jtPointer), sJitTemp1.as(jtPointer) );
                }
@@ -944,7 +944,7 @@ class CppiaJitCompiler : public CppiaCompiler
             case etObject:
                if (inSrc==sJitTemp1)
                {
-                  move(sJitArg0, inSrc);
+                  move(sJitArg0.as(jtPointer), inSrc.as(jtPointer));
                   makeAddress(sJitTemp1,inTarget);
                   callNative( (void *)objToFloat, sJitArg0.as(jtPointer), sJitTemp1.as(jtPointer));
                }
diff --git a/test/cppia/Client.hx b/test/cppia/Client.hx
index 710373f4b..c9b733f84 100644
--- a/test/cppia/Client.hx
+++ b/test/cppia/Client.hx
@@ -14,6 +14,16 @@ class ClientFoo implements IFoo {
    }
 }
 
+class ClientUntypedMove {
+
+   public static function subtractIndexed():String {
+      var a:Int = 2;
+      var ints:Array<Int> = [7,8,9];
+
+      return "" + (ints[a - 1] - ints[0]);
+   }
+}
+
 class Client
 {
    public static var clientBool0 = true;
diff --git a/test/cppia/cases/TestCommon.hx b/test/cppia/cases/TestCommon.hx
index eaacb5a76..7a32b9f36 100644
--- a/test/cppia/cases/TestCommon.hx
+++ b/test/cppia/cases/TestCommon.hx
@@ -59,6 +59,16 @@ class TestCommon extends Test {
         Assert.equals(2, Common.callbackSet, 'Bad cppia closure');
     }
 
+    @:depends(testStatus)
+    function testUntypedRegisterMove() {
+        final cls = Type.resolveClass('ClientUntypedMove');
+
+        if (Assert.notNull(cls, 'Unable to resolve ClientUntypedMove')) {
+            Assert.equals('1', Std.string(Reflect.callMethod(null, Reflect.field(cls, 'subtractIndexed'), [])),
+                'Subtracting two array elements into a string did not answer');
+        }
+    }
+
     @:depends(testStatus)
     function testInterfaceCalling() {
         final obj : IFoo = Type.createInstance(Type.resolveClass('ClientFoo'), []);