diff --git a/server/IptablesBaseTest.cpp b/server/IptablesBaseTest.cpp
index f879fe6..3179149 100644
--- a/server/IptablesBaseTest.cpp
+++ b/server/IptablesBaseTest.cpp
@@ -71,6 +71,7 @@
             cmd += arg;
         }
     } while (arg);
+    va_end(args);
 
     if (target == V4 || target == V4V6) {
         sCmds.push_back(IPTABLES_PATH + cmd);