diff --git a/reactos/sdk/tools/fatten/fatten.c b/reactos/sdk/tools/fatten/fatten.c
index 1e059adfce8..452b33fcc2c 100644
--- a/reactos/sdk/tools/fatten/fatten.c
+++ b/reactos/sdk/tools/fatten/fatten.c
@@ -138,7 +138,7 @@ int main(int oargc, char* oargv[])
     // first parameter must be the image file.
     if (argc == 0)
     {
-        fprintf(stderr, "Error: First parameter must be a filename.\n", argv[0]);
+        fprintf(stderr, "Error: First parameter must be a filename.\n");
         PRINT_HELP_AND_QUIT();
     }