1 files changed, 1 insertions, 1 deletions
diff --git a/qemu-io.c b/qemu-io.c
index 1c11d5711e..83c48f4149 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -435,7 +435,7 @@ int main(int argc, char **argv)
             }
             break;
         case 'T':
-            if (!trace_init_backends(optarg)) {
+            if (!trace_init_backends()) {
                 exit(1); /* error message will have been printed */
             }
             break;