diff --git a/src/js/game/hub_goals.js b/src/js/game/hub_goals.js
index 3f4f1cf3..67966384 100644
--- a/src/js/game/hub_goals.js
+++ b/src/js/game/hub_goals.js
@@ -106,13 +106,14 @@ export class HubGoals extends BasicSerializableObject {
 
         // Allow quickly switching goals in dev mode
         if (G_IS_DEV) {
-            if (G_IS_DEV) {
-                window.addEventListener("keydown", ev => {
-                    if (ev.key === "b") {
+            window.addEventListener("keydown", ev => {
+                if (ev.key === "b") {
+                    // root is not guaranteed to exist within ~0.5s after loading in
+                    if (this.root && this.root.app && this.root.app.gameAnalytics) {
                         this.onGoalCompleted();
                     }
-                });
-            }
+                }
+            });
         }
     }
 
diff --git a/src/js/game/hud/parts/building_placer_logic.js b/src/js/game/hud/parts/building_placer_logic.js
index 7d2cbb71..266682b2 100644
--- a/src/js/game/hud/parts/building_placer_logic.js
+++ b/src/js/game/hud/parts/building_placer_logic.js
@@ -322,7 +322,12 @@ export class HUDBuildingPlacerLogic extends BaseHUDPart {
 
         // Try to extract the building
         const extracted = this.hack_reconstructMetaBuildingAndVariantFromBuilding(contents);
-        if (!extracted) {
+        // If the building we are picking is the same as the one we have, clear the cursor.
+        if (
+            !extracted ||
+            (extracted.metaBuilding === this.currentMetaBuilding.get() &&
+                extracted.variant === this.currentVariant.get())
+        ) {
             this.currentMetaBuilding.set(null);
             return;
         }
@@ -558,8 +563,15 @@ export class HUDBuildingPlacerLogic extends BaseHUDPart {
 
         // Figure which points the line visits
         const worldPos = this.root.camera.screenToWorld(mousePosition);
-        const mouseTile = worldPos.toTileSpace();
-        const startTile = this.lastDragTile;
+        let endTile = worldPos.toTileSpace();
+        let startTile = this.lastDragTile;
+
+        // if the alt key is pressed, reverse belt planner direction by switching start and end tile
+        if (this.root.keyMapper.getBinding(KEYMAPPINGS.placementModifiers.placeInverse).pressed) {
+            let tmp = startTile;
+            startTile = endTile;
+            endTile = tmp;
+        }
 
         // Place from start to corner
         const pathToCorner = this.currentDirectionLockCorner.sub(startTile);
@@ -580,7 +592,7 @@ export class HUDBuildingPlacerLogic extends BaseHUDPart {
         }
 
         // Place from corner to end
-        const pathFromCorner = mouseTile.sub(this.currentDirectionLockCorner);
+        const pathFromCorner = endTile.sub(this.currentDirectionLockCorner);
         const deltaFromCorner = pathFromCorner.normalize().round();
         const lengthFromCorner = Math.round(pathFromCorner.length());