diff --git a/src/core/ngx_log.c b/src/core/ngx_log.c
index e82e32d..83bcbb7 100644
--- a/src/core/ngx_log.c
+++ b/src/core/ngx_log.c
@@ -207,10 +207,19 @@
 #endif
 
 
-void
-ngx_log_abort(ngx_err_t err, const char *text, void *param)
+void ngx_cdecl
+ngx_log_abort(ngx_err_t err, const char *fmt, ...)
 {
-    ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, err, text, param);
+    u_char   *p;
+    va_list   args;
+    u_char    errstr[NGX_MAX_CONF_ERRSTR];
+
+    va_start(args, fmt);
+    p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args);
+    va_end(args);
+
+    ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, err,
+                  "%*s", p - errstr, errstr);
 }
 
 
diff --git a/src/core/ngx_log.h b/src/core/ngx_log.h
index ebdf707..cd719f3 100644
--- a/src/core/ngx_log.h
+++ b/src/core/ngx_log.h
@@ -198,7 +198,7 @@
 ngx_log_t *ngx_log_init(void);
 ngx_log_t *ngx_log_create_errlog(ngx_cycle_t *cycle, ngx_str_t *name);
 char *ngx_set_error_log_levels(ngx_conf_t *cf, ngx_log_t *log);
-void ngx_log_abort(ngx_err_t err, const char *text, void *param);
+void ngx_cdecl ngx_log_abort(ngx_err_t err, const char *fmt, ...);
 void ngx_cdecl ngx_log_stderr(ngx_err_t err, const char *fmt, ...);