diff --git a/src/main/java/com/simibubi/create/content/logistics/block/redstone/NixieTubeBlock.java b/src/main/java/com/simibubi/create/content/logistics/block/redstone/NixieTubeBlock.java
index 3eaeb507a..4cb3ea694 100644
--- a/src/main/java/com/simibubi/create/content/logistics/block/redstone/NixieTubeBlock.java
+++ b/src/main/java/com/simibubi/create/content/logistics/block/redstone/NixieTubeBlock.java
@@ -63,12 +63,12 @@ public class NixieTubeBlock extends HorizontalBlock implements ITE<NixieTubeTile
 					return ActionResultType.SUCCESS;
 
 				BlockPos currentPos = pos;
-//				while (true) {
-//					BlockPos nextPos = currentPos.offset(left);
-//					if (world.getBlockState(nextPos) != state)
-//						break;
-//					currentPos = nextPos;
-//				}
+				while (true) {
+					BlockPos nextPos = currentPos.offset(left);
+					if (world.getBlockState(nextPos) != state)
+						break;
+					currentPos = nextPos;
+				}
 
 				int index = 0;
 
diff --git a/src/main/java/com/simibubi/create/foundation/ponder/NavigatableSimiScreen.java b/src/main/java/com/simibubi/create/foundation/ponder/NavigatableSimiScreen.java
index 8f15e374f..124a4967e 100644
--- a/src/main/java/com/simibubi/create/foundation/ponder/NavigatableSimiScreen.java
+++ b/src/main/java/com/simibubi/create/foundation/ponder/NavigatableSimiScreen.java
@@ -58,6 +58,7 @@ public abstract class NavigatableSimiScreen extends AbstractSimiScreen {
 	@Override
 	protected void init() {
 		super.init();
+		backTrack = null;
 		List<Screen> screenHistory = ScreenOpener.getScreenHistory();
 		if (screenHistory.isEmpty())
 			return;