diff --git a/src/motif/server/main.c b/src/motif/server/main.c
index e380c793d2bdd0326b41dc7a6eb3cd9560f1c1b1..c5e42bac237599667ba4e3bdbb44d508443ce38d 100644
--- a/src/motif/server/main.c
+++ b/src/motif/server/main.c
@@ -88,9 +88,9 @@ void close_sockets()
   unlink(socket_path);
 }
 
-void server_shutdown()
+void server_shutdown(int signal)
 {
-  fprintf(stderr,"Caught signal.\n");
+  fprintf(stderr,"Caught signal %d.\n", signal);
   close_sockets();
   exit(0);
 }