diff --git a/dll/win32/kernel32/client/proc.c b/dll/win32/kernel32/client/proc.c
index 9b680eb5330..cba4cf6a1e6 100644
--- a/dll/win32/kernel32/client/proc.c
+++ b/dll/win32/kernel32/client/proc.c
@@ -1683,7 +1683,7 @@ GetPriorityClass(IN HANDLE hProcess)
 
     /* Failure path */
     BaseSetLastNTError(Status);
-    return FALSE;
+    return 0;
 }
 
 /*