1 files changed, 1 insertions, 1 deletions
diff --git a/src/string.c b/src/string.c
index 14041127a..a9e155c72 100644
--- a/src/string.c
+++ b/src/string.c
@@ -763,7 +763,7 @@ num_index:
 
         len = RSTRING_LEN(str);
         switch (mrb_range_beg_len(mrb, indx, &beg, &len, len, 0)) {
-          case 0/*FLASE*/:
+          case FALSE:
             break;
           case 2/*OTHER*/:
             return mrb_nil_value();