1 files changed, 1 insertions, 5 deletions
diff --git a/sprintf.c b/sprintf.c
index 40872c0c16..72ac664e0e 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -832,11 +832,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
 	      bin_retry:
 		switch (TYPE(val)) {
 		  case T_FLOAT:
-		    if (FIXABLE(RFLOAT_VALUE(val))) {
-			val = LONG2FIX((long)RFLOAT_VALUE(val));
-			goto bin_retry;
-		    }
-		    val = rb_dbl2big(RFLOAT_VALUE(val));
+		    val = rb_dbl2ival(RFLOAT_VALUE(val));
 		    if (FIXNUM_P(val)) goto bin_retry;
 		    bignum = 1;
 		    break;