diff --git a/engines/chewy/r_event.cpp b/engines/chewy/r_event.cpp
index 63114ad06da..b4aa5844ec3 100644
--- a/engines/chewy/r_event.cpp
+++ b/engines/chewy/r_event.cpp
@@ -1045,9 +1045,9 @@ int16 sib_event_no_inv(int16 sib_nr) {
 
 	case SIB_CART_FACH_R18:
 		start_spz_wait(CH_LGET_O, 1, false, P_CHEWY);
-		_G(gameState).R18CartFach = 0;
+		_G(gameState).R18CartridgeInSlot = false;
 		cur_2_inventory();
-		_G(atds)->set_ats_str(157, 1, AAD_DATA);
+		_G(atds)->set_ats_str(157, TXT_MARK_LOOK, 0, ATS_DATA);
 		break;
 
 	case SIB_SCHLAUCH_R26:
@@ -1265,7 +1265,7 @@ void sib_event_inv(int16 sib_nr) {
 
 	case SIB_CART_FACH_R18:
 		start_spz_wait(CH_LGET_O, 1, false, P_CHEWY);
-		_G(gameState).R18CartFach = true;
+		_G(gameState).R18CartridgeInSlot = true;
 		delInventory(_G(cur)->getInventoryCursor());
 		_G(det)->showStaticSpr(7);
 		_G(atds)->set_ats_str(157, TXT_MARK_LOOK, 1, ATS_DATA);
diff --git a/engines/chewy/rooms/room12.cpp b/engines/chewy/rooms/room12.cpp
index fe2c8bf1ebb..02a28369cfe 100644
--- a/engines/chewy/rooms/room12.cpp
+++ b/engines/chewy/rooms/room12.cpp
@@ -272,7 +272,7 @@ int16 Room12::useTransformerTube() {
 		if (_G(gameState).R12ChainLeft) {
 			_G(gameState).R12ChainLeft = false;
 			_G(uhr)->enableTimer();
-			_G(atds)->set_ats_str(117, 1, AAD_DATA);
+			_G(atds)->set_ats_str(117, TXT_MARK_LOOK, 0, ATS_DATA);
 		} else {
 			autoMove(7, P_CHEWY);
 			startAadWait(29);
diff --git a/engines/chewy/rooms/room18.cpp b/engines/chewy/rooms/room18.cpp
index 9b174ebdc53..3146499e9ab 100644
--- a/engines/chewy/rooms/room18.cpp
+++ b/engines/chewy/rooms/room18.cpp
@@ -362,7 +362,7 @@ short Room18::use_cart_moni() {
 			startSetAILWait(20, 1, ANI_FRONT);
 			_G(det)->showStaticSpr(23);
 
-			if (_G(gameState).R18CartFach) {
+			if (_G(gameState).R18CartridgeInSlot) {
 				_G(gameState).R18CartSave = true;
 				_G(atds)->set_ats_str(CARTRIDGE_INV, TXT_MARK_LOOK, 1, INV_ATS_DATA);
 				startAadWait(120);
diff --git a/engines/chewy/types.h b/engines/chewy/types.h
index 0815781cdf2..8821700d23a 100644
--- a/engines/chewy/types.h
+++ b/engines/chewy/types.h
@@ -99,7 +99,7 @@ struct GameFlags {
 	bool R17EnergieOut : 1;
 	bool R17DoorKommand : 1;
 	bool R18DoorBruecke : 1;
-	bool R18CartFach : 1;
+	bool R18CartridgeInSlot : 1;
 	bool R18CartTerminal : 1;
 	bool R18CartSave : 1;