1 files changed, 3 insertions, 3 deletions
diff --git a/vm_core.h b/vm_core.h
index c23f50690e..37241b36b0 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -547,9 +547,9 @@ typedef struct rb_vm_struct {
 
     /* signal */
     struct {
-	VALUE cmd;
-	int safe;
-    } trap_list[RUBY_NSIG];
+	VALUE cmd[RUBY_NSIG];
+	unsigned char safe[RUBY_NSIG];
+    } trap_list;
 
     /* hook */
     rb_hook_list_t event_hooks;