1 files changed, 1 insertions, 1 deletions
diff --git a/enc/unicode.c b/enc/unicode.c
index 2f45f2f88c..365283e591 100644
--- a/enc/unicode.c
+++ b/enc/unicode.c
@@ -630,5 +630,5 @@ onigenc_unicode_case_map(OnigCaseFoldType* flags,
 	}
 	to += ONIGENC_CODE_TO_MBC(enc, code, to);
     }
-    return to-to_start;
+    return (int)(to-to_start);
 }