diff --git a/src/dns-manager/nm-dns-plugin.c b/src/dns-manager/nm-dns-plugin.c
index f20f889e2b..47322d2ae2 100644
--- a/src/dns-manager/nm-dns-plugin.c
+++ b/src/dns-manager/nm-dns-plugin.c
@@ -109,7 +109,7 @@ kill_existing (const char *progname, const char *pidfile, const char *kill_match
 	gs_free char *cmdline_contents = NULL;
 	guint64 start_time;
 	char proc_path[256];
-	gs_free GError *error = NULL;
+	gs_free_error GError *error = NULL;
 
 	if (!pidfile)
 		return;