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-rw-r--r--rational.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/rational.c b/rational.c
index bd32399e79..ce95facda0 100644
--- a/rational.c
+++ b/rational.c
@@ -6,6 +6,7 @@
*/
#include "internal.h"
+#include "id.h"
#include <math.h>
#include <float.h>
@@ -2610,7 +2611,7 @@ nurat_s_convert(int argc, VALUE *argv, VALUE klass)
if (argc == 1) {
if (!(k_numeric_p(a1) && k_integer_p(a1)))
- return rb_convert_type(a1, T_RATIONAL, "Rational", "to_r");
+ return rb_convert_type_with_id(a1, T_RATIONAL, "Rational", idTo_r);
}
else {
if ((k_numeric_p(a1) && k_numeric_p(a2)) &&