diff --git a/src/js/core/input_distributor.js b/src/js/core/input_distributor.js
index ffd6cfcd..8886947b 100644
--- a/src/js/core/input_distributor.js
+++ b/src/js/core/input_distributor.js
@@ -25,6 +25,7 @@ export class InputDistributor {
 
         this.shiftIsDown = false;
         this.altIsDown = false;
+        this.ctrlIsDown = false;
 
         this.bindToEvents();
     }
@@ -175,6 +176,7 @@ export class InputDistributor {
      * Handles when the page got blurred
      */
     handleBlur() {
+        this.ctrlIsDown = false;
         this.shiftIsDown = false;
         this.altIsDown = false;
         this.forwardToReceiver("pageBlur", {});
@@ -188,6 +190,9 @@ export class InputDistributor {
         if (event.keyCode === 16) {
             this.shiftIsDown = true;
         }
+        if (event.keyCode === 17) {
+            this.ctrlIsDown = true;
+        }
         if (event.keyCode === 18) {
             this.altIsDown = true;
         }
@@ -229,6 +234,10 @@ export class InputDistributor {
             this.shiftIsDown = false;
             this.forwardToReceiver("shiftUp", {});
         }
+        if (event.keyCode === 17) {
+            this.ctrlIsDown = false;
+            this.forwardToReceiver("ctrlUp", {});
+        }
         if (event.keyCode === 18) {
             this.altIsDown = false;
             this.forwardToReceiver("altUp", {});
diff --git a/src/js/core/input_receiver.js b/src/js/core/input_receiver.js
index c4b6fbfe..1a373905 100644
--- a/src/js/core/input_receiver.js
+++ b/src/js/core/input_receiver.js
@@ -11,6 +11,7 @@ export class InputReceiver {
         this.pageBlur = new Signal();
         this.shiftUp = new Signal();
         this.altUp = new Signal();
+        this.ctrlUp = new Signal();
 
         // Dispatched on destroy
         this.destroyed = new Signal();
diff --git a/src/js/game/hud/parts/building_placer.js b/src/js/game/hud/parts/building_placer.js
index 14d3e19f..b3bc4108 100644
--- a/src/js/game/hud/parts/building_placer.js
+++ b/src/js/game/hud/parts/building_placer.js
@@ -28,8 +28,8 @@ export class HUDBuildingPlacer extends BaseHUDPart {
         this.fakeEntity = null;
 
         const keyActionMapper = this.root.gameState.keyActionMapper;
-        keyActionMapper.getBinding("building_abort_placement").add(() => this.currentMetaBuilding.set(null));
-        keyActionMapper.getBinding("back").add(() => this.currentMetaBuilding.set(null));
+        keyActionMapper.getBinding("building_abort_placement").add(this.abortPlacement, this);
+        keyActionMapper.getBinding("back").add(this.abortPlacement, this);
 
         keyActionMapper.getBinding("rotate_while_placing").add(this.tryRotate, this);
 
@@ -61,6 +61,13 @@ export class HUDBuildingPlacer extends BaseHUDPart {
         this.buildingDescription = makeDiv(this.element, null, ["description"], "");
     }
 
+    abortPlacement() {
+        if (this.currentMetaBuilding.get()) {
+            this.currentMetaBuilding.set(null);
+            return STOP_PROPAGATION;
+        }
+    }
+
     /**
      * mouse down pre handler
      * @param {Vector} pos
diff --git a/src/js/game/hud/parts/keybinding_overlay.js b/src/js/game/hud/parts/keybinding_overlay.js
index edf4d88c..99b4231e 100644
--- a/src/js/game/hud/parts/keybinding_overlay.js
+++ b/src/js/game/hud/parts/keybinding_overlay.js
@@ -45,7 +45,7 @@ export class HUDKeybindingOverlay extends BaseHUDPart {
             
             <div class="binding noPlacementOnly">
                 <code class="keybinding rightMouse"></code><i></i>
-                <code class="keybinding shift">ALT</code>+
+                <code class="keybinding shift">CTRL</code>+
                 <code class="keybinding leftMouse"></code>
                 <label>Delete</label>
             </div>
diff --git a/src/js/game/hud/parts/mass_selector.js b/src/js/game/hud/parts/mass_selector.js
index f8b0cb83..f3a205d4 100644
--- a/src/js/game/hud/parts/mass_selector.js
+++ b/src/js/game/hud/parts/mass_selector.js
@@ -79,7 +79,7 @@ export class HUDMassSelector extends BaseHUDPart {
      * @param {Vector} pos
      */
     onMouseDown(pos) {
-        if (!this.root.app.inputMgr.altIsDown) {
+        if (!this.root.app.inputMgr.ctrlIsDown) {
             return;
         }