diff --git a/lib/System/Win32/Memory.inc b/lib/System/Win32/Memory.inc
index 9f5693a9aae..3b70cc8e4f1 100644
--- a/lib/System/Win32/Memory.inc
+++ b/lib/System/Win32/Memory.inc
@@ -47,9 +47,10 @@ MemoryBlock Memory::AllocateRWX(unsigned NumBytes,
 }
 
 bool Memory::ReleaseRWX(MemoryBlock &M, std::string *ErrMsg) {
-  if (M.Address == 0 || M.Size == 0) return;
+  if (M.Address == 0 || M.Size == 0) return false;
   if (!VirtualFree(M.Address, 0, MEM_RELEASE))
     return GetError("Can't release RWX Memory: ", ErrMsg);
+  return false;
 }
 
 }