summaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
-rw-r--r--mrbgems/mruby-string-ext/src/string.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mrbgems/mruby-string-ext/src/string.c b/mrbgems/mruby-string-ext/src/string.c
index 6bc035d6a..600b70ccf 100644
--- a/mrbgems/mruby-string-ext/src/string.c
+++ b/mrbgems/mruby-string-ext/src/string.c
@@ -35,7 +35,7 @@ mrb_str_setbyte(mrb_state *mrb, mrb_value str)
mrb_str_modify(mrb, mrb_str_ptr(str));
byte &= 0xff;
- RSTRING_PTR(str)[pos] = byte;
+ RSTRING_PTR(str)[pos] = (unsigned char)byte;
return mrb_fixnum_value((unsigned char)byte);
}