diff --git a/samples/wrapper/wrapper.cpp b/samples/wrapper/wrapper.cpp
index b5f054a28d..c345f2d9b6 100644
--- a/samples/wrapper/wrapper.cpp
+++ b/samples/wrapper/wrapper.cpp
@@ -288,6 +288,7 @@ int start_daemons(int argc, char** argv) {
         int retval = task.run(argc, argv);
         if (retval) return retval;
     }
+    return 0;
 }
 
 void kill_daemons() {