diff --git a/reactos/dll/win32/kernel32/thread/thread.c b/reactos/dll/win32/kernel32/thread/thread.c
index 746c6933663..266f8b2365d 100644
--- a/reactos/dll/win32/kernel32/thread/thread.c
+++ b/reactos/dll/win32/kernel32/thread/thread.c
@@ -697,7 +697,7 @@ SetThreadIdealProcessor(HANDLE hThread,
         return -1;
     }
 
-    return dwIdealProcessor;
+    return (DWORD)Status;
 }
 
 /*