diff --git a/testProcess.c b/testProcess.c
index 55939453182873fb6776c966dbedd20e047dce38..1c455bd14cbf18c4863b0cb4a03b45678482b956 100644
--- a/testProcess.c
+++ b/testProcess.c
@@ -74,6 +74,7 @@ int test5(int argc, const char* argv[])
 {
   int r;
   const char* cmd[4];
+  (void)argc;
   cmd[0] = argv[0];
   cmd[1] = "run";
   cmd[2] = "4";