diff --git a/include/egg/math/eggMatrix.h b/include/egg/math/eggMatrix.h
index 89060283..a99a0698 100644
--- a/include/egg/math/eggMatrix.h
+++ b/include/egg/math/eggMatrix.h
@@ -24,6 +24,11 @@ struct Matrix34f {
         return arr[i];
     }
 
+    Matrix34f &operator=(const Matrix34f &other) {
+        copyFrom(other);
+        return *this;
+    }
+
     void rotateBaseX(Vector3f &, Matrix34f &);
     void rotateVectorChange(Vector3f &, Vector3f &, Matrix34f &);
     void inverseTo(Matrix34f &to) const;
diff --git a/src/REL/d/a/obj/d_a_obj_pool_cock.cpp b/src/REL/d/a/obj/d_a_obj_pool_cock.cpp
index f52cd41e..585c021c 100644
--- a/src/REL/d/a/obj/d_a_obj_pool_cock.cpp
+++ b/src/REL/d/a/obj/d_a_obj_pool_cock.cpp
@@ -52,10 +52,9 @@ int dAcOPoolCock_c::actorExecute() {
     position += velocity;
     position += mStts.mCcMove;
     updateMatrix();
-    mMtx_c mdl1Transform;
-    mMtx_c mdl2Transform;
-    mdl1Transform = mWorldMtx;
-    mdl2Transform = mWorldMtx;
+
+    mMtx_c mdl1Transform(mWorldMtx);
+    mMtx_c mdl2Transform(mWorldMtx);
 
     mMtx_c tmp1;
     mMtx_c tmp2;