1 files changed, 2 insertions, 2 deletions
diff --git a/src/exchange/taler-exchange-wirewatch.c b/src/exchange/taler-exchange-wirewatch.c
index fba00297..47f2bdb6 100644
--- a/src/exchange/taler-exchange-wirewatch.c
+++ b/src/exchange/taler-exchange-wirewatch.c
@@ -638,10 +638,10 @@ main (int argc,
                           options,
                           &run, NULL))
   {
-    GNUNET_free ((void *) argv);
+    GNUNET_free_nz ((void *) argv);
     return GR_CMD_LINE_OPTIONS_WRONG;
   }
-  GNUNET_free ((void *) argv);
+  GNUNET_free_nz ((void *) argv);
   return global_ret;
 }