diff --git a/src/tool_main.c b/src/tool_main.c
index ec651765099fd198044fe1af388e0d4fbe67db7e..c4121b269e21c7224629948b4e8efc615bad494e 100644
--- a/src/tool_main.c
+++ b/src/tool_main.c
@@ -87,8 +87,8 @@ int main(int argc, char *argv[])
 
   main_checkfds();
 
-#ifdef HAVE_SIGNAL
-  signal(SIGPIPE, SIG_IGN);
+#ifdef SIGPIPE
+  (void)signal(SIGPIPE, SIG_IGN);
 #endif
 
   res = operate(&config, argc, argv);