diff --git a/loader/win32.c b/loader/win32.c
index 7dfa8e7844..859bf10eae 100644
--- a/loader/win32.c
+++ b/loader/win32.c
@@ -2666,7 +2666,7 @@ static int WINAPI expGetWindowThreadProcessId(HWND win, int *pid_data)
     dbgprintf("GetWindowThreadProcessId(0x%x, 0x%x) => %d\n",
 	win, pid_data, tid);
     if (pid_data)
-	(int)*pid_data = tid;
+	*(int*)pid_data = tid;
     return tid;
 }