diff --git a/lib_xua/host/xmosdfu/xmosdfu.cpp b/lib_xua/host/xmosdfu/xmosdfu.cpp
index b3acdef2..40c305da 100644
--- a/lib_xua/host/xmosdfu/xmosdfu.cpp
+++ b/lib_xua/host/xmosdfu/xmosdfu.cpp
@@ -607,5 +607,5 @@ int main(int argc, char **argv)
     libusb_close(devh);
     libusb_exit(NULL);
 
-    return 1;
+    return 0;
 }