diff --git a/tools/nfdc.cpp b/tools/nfdc.cpp
index 207d3ee..0e5b8b9 100644
--- a/tools/nfdc.cpp
+++ b/tools/nfdc.cpp
@@ -308,7 +308,7 @@
     strategyChoiceUnset();
   }
   else
-    usage(m_programName);
+    return false;
 
   return true;
 }