diff --git a/ocgapi.cpp b/ocgapi.cpp
index b6aa048af..37bb123b2 100644
--- a/ocgapi.cpp
+++ b/ocgapi.cpp
@@ -72,11 +72,11 @@ extern "C" DECL_DLLEXPORT void start_duel(intptr_t pduel, uint32_t options) {
 	duel* pd = (duel*)pduel;
 	pd->game_field->core.duel_options |= options & 0xffff;
 	int32_t duel_rule = options >> 16;
-	if(duel_rule)
+	if (duel_rule >= 1 && duel_rule <= CURRENT_RULE)
 		pd->game_field->core.duel_rule = duel_rule;
 	else if(options & DUEL_OBSOLETE_RULING)		//provide backward compatibility with replay
 		pd->game_field->core.duel_rule = 1;
-	if (pd->game_field->core.duel_rule < 1 || pd->game_field->core.duel_rule > CURRENT_RULE)
+	else
 		pd->game_field->core.duel_rule = CURRENT_RULE;
 	if (pd->game_field->core.duel_rule == MASTER_RULE3) {
 		pd->game_field->player[0].szone_size = 8;
diff --git a/operations.cpp b/operations.cpp
index 47453ce64..4d9bbf147 100644
--- a/operations.cpp
+++ b/operations.cpp
@@ -3779,7 +3779,7 @@ int32_t field::destroy(uint16_t step, group * targets, effect * reason_effect, u
 	return TRUE;
 }
 int32_t field::release_replace(uint16_t step, group* targets, card* target) {
-	if(!(target->current.location & (LOCATION_ONFIELD | LOCATION_HAND))) {
+	if(target->current.location & (LOCATION_GRAVE | LOCATION_REMOVED)) {
 		target->current.reason = target->temp.reason;
 		target->current.reason_effect = target->temp.reason_effect;
 		target->current.reason_player = target->temp.reason_player;
@@ -3836,7 +3836,7 @@ int32_t field::release(uint16_t step, group * targets, effect * reason_effect, u
 		if(cv.size() > 1)
 			std::sort(cv.begin(), cv.end(), card::card_operation_sort);
 		for (auto& pcard : cv) {
-			if(!(pcard->current.location & (LOCATION_ONFIELD | LOCATION_HAND))) {
+			if(pcard->current.location & (LOCATION_GRAVE | LOCATION_REMOVED)) {
 				pcard->current.reason = pcard->temp.reason;
 				pcard->current.reason_effect = pcard->temp.reason_effect;
 				pcard->current.reason_player = pcard->temp.reason_player;