diff --git a/src/easycsv.c b/src/easycsv.c
index 16639c4..f349f83 100644
--- a/src/easycsv.c
+++ b/src/easycsv.c
@@ -1162,7 +1162,7 @@ _easycsv_checkcsvandstring_one(const easycsv *csv,
 }
 
 int
-_easycsv_checkcsvandstringtwo(const easycsv *csv,
+_easycsv_checkcsvandstring_two(const easycsv *csv,
 			      const char *one,
 			      const char *two)
 {