1 files changed, 1 insertions, 0 deletions
diff --git a/src/string.c b/src/string.c
index 20f371aa2..23cd76747 100644
--- a/src/string.c
+++ b/src/string.c
@@ -753,6 +753,7 @@ mrb_str_aref(mrb_state *mrb, mrb_value str, mrb_value indx)
   switch (mrb_type(indx)) {
     case MRB_TT_FLOAT:
       indx = mrb_flo_to_fixnum(mrb, indx);
+      /* fall through */
     case MRB_TT_FIXNUM:
       idx = mrb_fixnum(indx);