diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index 5993a72b0..801543cb7 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -1296,6 +1296,8 @@ out:
 	if (warn)
 		free(warn);
 
+	free(err);
+
 	return ret;
 }