diff --git a/src/core/ngx_log.c b/src/core/ngx_log.c
index 78459e3..244edc3 100644
--- a/src/core/ngx_log.c
+++ b/src/core/ngx_log.c
@@ -38,7 +38,7 @@
 
     ngx_localtime(&tm);
     len = ngx_snprintf(errstr, sizeof(errstr), "%4d/%02d/%02d %02d:%02d:%02d",
-                       tm.ngx_tm_year + 1900, tm.ngx_tm_mon, tm.ngx_tm_mday,
+                       tm.ngx_tm_year, tm.ngx_tm_mon, tm.ngx_tm_mday,
                        tm.ngx_tm_hour, tm.ngx_tm_min, tm.ngx_tm_sec);
 
     len += ngx_snprintf(errstr + len, sizeof(errstr) - len - 1,