diff --git a/reactos/dll/win32/msvcrt/msvcrt.spec b/reactos/dll/win32/msvcrt/msvcrt.spec
index 7d6262709ee..acea86ca97f 100644
--- a/reactos/dll/win32/msvcrt/msvcrt.spec
+++ b/reactos/dll/win32/msvcrt/msvcrt.spec
@@ -1156,7 +1156,7 @@
 @ cdecl asin(double)
 @ cdecl atan(double)
 @ cdecl atan2(double double)
-@ cdecl atexit(ptr)
+@ extern atexit # mingw hack
 @ cdecl atof(str)
 @ cdecl atoi(str)
 @ cdecl atol(str)