1 files changed, 3 insertions, 0 deletions
diff --git a/string.c b/string.c
index af39f5bbbf..2cdcf26651 100644
--- a/string.c
+++ b/string.c
@@ -1972,6 +1972,9 @@ rb_str_delete_bang(argc, argv, str)
     int init = 1;
     int i;
 
+    if (argc < 1) {
+	rb_raise(rb_eArgError, "wrong # of arguments");
+    }
     for (i=0; i<argc; i++) {
 	VALUE s = argv[i];