diff --git a/dlls/winspool.drv/info.c b/dlls/winspool.drv/info.c
index 8e4d714b223..a2dd79800f9 100644
--- a/dlls/winspool.drv/info.c
+++ b/dlls/winspool.drv/info.c
@@ -4447,7 +4447,7 @@ BOOL WINAPI GetPrinterDriverW(HANDLE hPrinter, LPWSTR pEnvironment,
 
     if(pcbNeeded) *pcbNeeded = size + needed;
     TRACE("buffer space %d required %d\n", cbBuf, size + needed);
-    if(cbBuf >= needed) return TRUE;
+    if(cbBuf >= size + needed) return TRUE;
     SetLastError(ERROR_INSUFFICIENT_BUFFER);
     return FALSE;
 }