diff --git a/eval.c b/eval.c
index 451845d017..19e6a361c3 100644
--- a/eval.c
+++ b/eval.c
@@ -4553,7 +4553,7 @@ return_jump(retval)
 	    JUMP_TAG(TAG_RETURN);
 	}
 	if (tt->tag == PROT_THREAD) {
-	    rb_raise(rb_eThreadError, "return can jump't across threads");
+	    rb_raise(rb_eThreadError, "return can't jump across threads");
 	}
 	tt = tt->prev;
     }