diff --git a/src/windows-emulator/syscalls.cpp b/src/windows-emulator/syscalls.cpp
index 77830139..5e2e9aff 100644
--- a/src/windows-emulator/syscalls.cpp
+++ b/src/windows-emulator/syscalls.cpp
@@ -651,7 +651,7 @@ namespace syscalls
 
     NTSTATUS handle_NtUserGetProcessWindowStation()
     {
-        return NULL;
+        return 0;
     }
 }