diff --git a/src/core/ngx_buf.c b/src/core/ngx_buf.c
index a536c04..7d37989 100644
--- a/src/core/ngx_buf.c
+++ b/src/core/ngx_buf.c
@@ -126,12 +126,11 @@
         *busy = *out;
 
     } else {
-        for (tl = *busy; /* void */ ; tl = tl->next) {
-            if (tl->next == NULL) {
-                tl->next = *out;
-                break;
-            }
+        for (tl = *busy; tl->next; tl = tl->next) {
+            /* void */;
         }
+
+        tl->next = *out;
     }
 
     *out = NULL;