diff --git a/lib/utils/mu-utils.cc b/lib/utils/mu-utils.cc
index ee4a10c2..5f3d418f 100644
--- a/lib/utils/mu-utils.cc
+++ b/lib/utils/mu-utils.cc
@@ -618,7 +618,7 @@ Mu::TempDir::~TempDir()
 
 	/* ugly */
 	const auto cmd{format("/bin/rm -rf '%s'", path_.c_str())};
-	::system(cmd.c_str());
+	(void)::system(cmd.c_str());
 
 	g_debug("removed '%s'", path_.c_str());
 }