1 files changed, 1 insertions, 1 deletions
diff --git a/signal.c b/signal.c
index f83d166e43..9e0316d2d6 100644
--- a/signal.c
+++ b/signal.c
@@ -557,7 +557,7 @@ signal_exec(VALUE cmd, int sig)
     rb_proc_t *proc;
     VALUE signum = INT2FIX(sig);
     GetProcPtr(cmd, proc);
-    vm_invoke_proc(GET_THREAD(), proc, proc->block.self, 1, &signum);
+    vm_invoke_proc(GET_THREAD(), proc, proc->block.self, 1, &signum, 0);
 }
 
 void