diff --git a/runtime/src/main/cpp/Arrays.cpp b/runtime/src/main/cpp/Arrays.cpp
index a661c8ae9aa..00769bcbc11 100644
--- a/runtime/src/main/cpp/Arrays.cpp
+++ b/runtime/src/main/cpp/Arrays.cpp
@@ -58,7 +58,7 @@ void Kotlin_Array_copyImpl(const ArrayHeader* array, KInt fromIndex,
         ThrowArrayIndexOutOfBoundsException();
     }
     // TODO: refcounting!
-    memcpy(ArrayAddressOfElementAt(destination, toIndex),
+    memmove(ArrayAddressOfElementAt(destination, toIndex),
         ArrayAddressOfElementAt(array, fromIndex), count * sizeof(KRef));
 }