diff --git a/tests/ide-test.c b/tests/ide-test.c
index e2b4efcc3f..a77a037d1e 100644
--- a/tests/ide-test.c
+++ b/tests/ide-test.c
@@ -120,6 +120,8 @@ static void ide_test_start(const char *cmdline_fmt, ...)
     qtest_start(cmdline);
     qtest_irq_intercept_in(global_qtest, "ioapic");
     guest_malloc = pc_alloc_init();
+
+    g_free(cmdline);
 }
 
 static void ide_test_quit(void)