diff --git a/tests/qtest/ast2700-smc-test.c b/tests/qtest/ast2700-smc-test.c
index d1c4856307..62d538d8a3 100644
--- a/tests/qtest/ast2700-smc-test.c
+++ b/tests/qtest/ast2700-smc-test.c
@@ -67,5 +67,6 @@ int main(int argc, char **argv)
 
     qtest_quit(ast2700_evb_data.s);
     unlink(ast2700_evb_data.tmp_path);
+    g_free(ast2700_evb_data.tmp_path);
     return ret;
 }