1 files changed, 3 insertions, 2 deletions
diff --git a/eval.c b/eval.c
index ffe297e5a2..6c3669054b 100644
--- a/eval.c
+++ b/eval.c
@@ -720,9 +720,10 @@ rb_exc_fatal(mesg)
 }
 
 void
-rb_interrupt()
+rb_interrupt(void)
 {
-    rb_raise(rb_eInterrupt, "");
+    static const char fmt[1] = {'\0'};
+    rb_raise(rb_eInterrupt, fmt);
 }
 
 /*