diff --git a/scsh/scsh_aux.c b/scsh/scsh_aux.c
index c7be197..bcc54fc 100644
--- a/scsh/scsh_aux.c
+++ b/scsh/scsh_aux.c
@@ -32,8 +32,9 @@ int main(int argc, char* argv[]){
 #ifdef SIGPROF
   case SIGPROF   : printf("scshint_prof"); break; 
 #endif
-#ifdef SIGPWR
-  case SIGPWR    : printf("scshint_pwr"); break;
+#if defined SIGPWR && ((defined SIGINFO && SIGPWR != SIGINFO) || \
+                         !defined SIGINFO)
+      case SIGPWR    : printf("scshint_pwr"); break;
 #endif
 #ifdef SIGURG
   case SIGURG    : printf("scshint_urg"); break;