diff --git a/numeric.c b/numeric.c
index 6d098368df..f51f398b4f 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1109,7 +1109,7 @@ rb_flo_div_flo(VALUE x, VALUE y)
 {
     double num = RFLOAT_VALUE(x);
     double den = RFLOAT_VALUE(y);
-    double ret = double_div_double(x, y);
+    double ret = double_div_double(num, den);
     return DBL2NUM(ret);
 }