diff --git a/lib/multi.c b/lib/multi.c
index 70ad9822ca..014066bdea 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -1194,7 +1194,8 @@ CURLMcode Curl_multi_pollset(struct Curl_easy *data,
       break;
 
     default:
-      failf(data, "multi_getsock: unexpected multi state %d", (int)data->mstate);
+      failf(data, "multi_getsock: unexpected multi state %d",
+            (int)data->mstate);
       DEBUGASSERT(0);
       break;
     }