nginx-0.0.1-2004-01-05-23:55:48 import
diff --git a/src/core/ngx_log.c b/src/core/ngx_log.c
index 98b71c8..de238f5 100644
--- a/src/core/ngx_log.c
+++ b/src/core/ngx_log.c
@@ -52,7 +52,7 @@
 };
 
 static const char *debug_levels[] = {
-    "debug", "debug_alloc", "debug_event", "debug_http"
+    "debug", "debug_core", "debug_alloc", "debug_event", "debug_http"
 };