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-rw-r--r--include/mruby/numeric.h2
-rw-r--r--src/numeric.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/include/mruby/numeric.h b/include/mruby/numeric.h
index 40c8c4a20..042311df8 100644
--- a/include/mruby/numeric.h
+++ b/include/mruby/numeric.h
@@ -25,7 +25,7 @@ MRB_BEGIN_DECL
#define FIXABLE_FLOAT(f) TYPED_FIXABLE(f,double)
MRB_API mrb_value mrb_flo_to_fixnum(mrb_state *mrb, mrb_value val);
-MRB_API mrb_value mrb_fixnum_to_str(mrb_state *mrb, mrb_value x, int base);
+MRB_API mrb_value mrb_fixnum_to_str(mrb_state *mrb, mrb_value x, mrb_int base);
/* ArgumentError if format string doesn't match /%(\.[0-9]+)?[aAeEfFgG]/ */
MRB_API mrb_value mrb_float_to_str(mrb_state *mrb, mrb_value x, const char *fmt);
MRB_API mrb_float mrb_to_flo(mrb_state *mrb, mrb_value x);
diff --git a/src/numeric.c b/src/numeric.c
index 4ec78174e..8c7d448bd 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -1162,7 +1162,7 @@ fix_minus(mrb_state *mrb, mrb_value self)
MRB_API mrb_value
-mrb_fixnum_to_str(mrb_state *mrb, mrb_value x, int base)
+mrb_fixnum_to_str(mrb_state *mrb, mrb_value x, mrb_int base)
{
char buf[MRB_INT_BIT+1];
char *b = buf + sizeof buf;