diff --git a/src/vpp-api/vapi/vapi_c_test.c b/src/vpp-api/vapi/vapi_c_test.c
index efa6a73..52b930d 100644
--- a/src/vpp-api/vapi/vapi_c_test.c
+++ b/src/vpp-api/vapi/vapi_c_test.c
@@ -910,6 +910,7 @@
   /* Assert nul terminator NOT present */
   ck_assert_int_eq (vec_len (vstr), strlen (str));
   vec_free (vstr);
+  free (dump);
 }
 
 END_TEST;