diff --git a/src/ngx_postgres_ddebug.h b/src/ngx_postgres_ddebug.h
index 7cc05ecd..38253fca 100644
--- a/src/ngx_postgres_ddebug.h
+++ b/src/ngx_postgres_ddebug.h
@@ -29,6 +29,7 @@
 #ifndef _NGX_POSTGRES_DDEBUG_H_
 #define _NGX_POSTGRES_DDEBUG_H_
 
+#include <ngx_config.h>
 #include <ngx_core.h>
 
 #if defined(DDEBUG) && (DDEBUG)
diff --git a/src/ngx_postgres_output.c b/src/ngx_postgres_output.c
index 81a0b275..9fa5481c 100644
--- a/src/ngx_postgres_output.c
+++ b/src/ngx_postgres_output.c
@@ -549,7 +549,7 @@ ngx_postgres_output_chain(ngx_http_request_t *r, ngx_chain_t *cl)
         pglcf = ngx_http_get_module_loc_conf(r, ngx_postgres_module);
         pgctx = ngx_http_get_module_ctx(r, ngx_postgres_module);
 
-        r->headers_out.status = pgctx->status ? abs(pgctx->status)
+        r->headers_out.status = pgctx->status ? ngx_abs(pgctx->status)
                                               : NGX_HTTP_OK;
 
         if (pglcf->output_handler == &ngx_postgres_output_rds) {
diff --git a/src/ngx_postgres_util.c b/src/ngx_postgres_util.c
index 11b27979..ae7de38c 100644
--- a/src/ngx_postgres_util.c
+++ b/src/ngx_postgres_util.c
@@ -45,7 +45,9 @@ void
 ngx_postgres_upstream_finalize_request(ngx_http_request_t *r,
     ngx_http_upstream_t *u, ngx_int_t rc)
 {
+#if defined(nginx_version) && (nginx_version < 1009001)
     ngx_time_t  *tp;
+#endif
 
     dd("entering");
 
@@ -61,10 +63,15 @@ ngx_postgres_upstream_finalize_request(ngx_http_request_t *r,
         u->resolved->ctx = NULL;
     }
 
+#if defined(nginx_version) && (nginx_version >= 1009001)
+    if (u->state && u->state->response_time) {
+        u->state->response_time = ngx_current_msec - u->state->response_time;
+#else
     if (u->state && u->state->response_sec) {
         tp = ngx_timeofday();
         u->state->response_sec = tp->sec - u->state->response_sec;
         u->state->response_msec = tp->msec - u->state->response_msec;
+#endif
 
         if (u->pipe) {
             u->state->response_length = u->pipe->read_length;