diff --git a/src/os/unix/ngx_posix_init.c b/src/os/unix/ngx_posix_init.c
index b23dc31..bc0eb51 100644
--- a/src/os/unix/ngx_posix_init.c
+++ b/src/os/unix/ngx_posix_init.c
@@ -118,6 +118,7 @@
     switch (ngx_process) {
 
     case NGX_PROCESS_MASTER:
+    case NGX_PROCESS_SINGLE:
         switch (signo) {
 
         case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
@@ -192,15 +193,12 @@
             action = ", exiting";
             break;
 
-#if 0
         case ngx_signal_value(NGX_REOPEN_SIGNAL):
             ngx_reopen = 1;
             action = ", reopen logs";
             break;
-#endif
 
         case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
-        case ngx_signal_value(NGX_REOPEN_SIGNAL):
         case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
         case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
             action = ", ignoring";