diff --git a/unix/x0vncserver/x0vncserver.cxx b/unix/x0vncserver/x0vncserver.cxx
index a815dc6d4a..9652f0155e 100644
--- a/unix/x0vncserver/x0vncserver.cxx
+++ b/unix/x0vncserver/x0vncserver.cxx
@@ -283,7 +283,7 @@ int main(int argc, char** argv)
   if (hasSystemdListeners())
     rfbport.setParam(-1);
 
-  for (int i = 1; i < argc; i++) {
+  for (int i = 1; i < argc;) {
     int ret;
 
     ret = Configuration::handleParamArg(argc, argv, i);