diff --git a/src/core/nginx.c b/src/core/nginx.c
index ee63682..48e085b 100644
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -1078,7 +1078,7 @@
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                           "invalid character \"%c\" in \"worker_cpu_affinity\"",
                           ch);
-            return NGX_CONF_ERROR ;
+            return NGX_CONF_ERROR;
         }
     }