diff --git a/asm/nasm.c b/asm/nasm.c
index 41a26649..9435f1d3 100644
--- a/asm/nasm.c
+++ b/asm/nasm.c
@@ -520,7 +520,7 @@ int main(int argc, char **argv)
             outname = "nasm.out";
             nasm_error(ERR_WARNING,
                        "default output file same as input, using `%s' for output\n",
-                       inname, outname);
+                       outname);
         }
     }