1 files changed, 1 insertions, 1 deletions
diff --git a/numeric.c b/numeric.c
index 95dc7bbab4..1ec36ed7f8 100644
--- a/numeric.c
+++ b/numeric.c
@@ -2118,7 +2118,7 @@ rb_enc_uint_chr(unsigned int code, rb_encoding *enc)
     int n;
     VALUE str;
     if ((n = rb_enc_codelen(code, enc)) <= 0) {
-	rb_raise(rb_eRangeError, "%d out of char range", code);
+	rb_raise(rb_eRangeError, "%u out of char range", code);
     }
     str = rb_enc_str_new(0, n, enc);
     rb_enc_mbcput(code, RSTRING_PTR(str), enc);