diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 05a5289487..e8dd174c9f 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -3450,7 +3450,7 @@ vm_opt_div(VALUE recv, VALUE obj)
     }
     else if (FLONUM_2_P(recv, obj) &&
 	     BASIC_OP_UNREDEFINED_P(BOP_DIV, FLOAT_REDEFINED_OP_FLAG)) {
-	return rb_flo_div_flo(recv, obj);
+        return rb_flo_div_flo(recv, obj);
     }
     else if (SPECIAL_CONST_P(recv) || SPECIAL_CONST_P(obj)) {
 	return Qundef;
@@ -3458,7 +3458,7 @@ vm_opt_div(VALUE recv, VALUE obj)
     else if (RBASIC_CLASS(recv) == rb_cFloat &&
 	     RBASIC_CLASS(obj)  == rb_cFloat &&
 	     BASIC_OP_UNREDEFINED_P(BOP_DIV, FLOAT_REDEFINED_OP_FLAG)) {
-	return rb_flo_div_flo(recv, obj);
+        return rb_flo_div_flo(recv, obj);
     }
     else {
 	return Qundef;