diff --git a/packages/react-canvas-core/src/Toolkit.ts b/packages/react-canvas-core/src/Toolkit.ts
index 55a5b855..2fb7fbee 100644
--- a/packages/react-canvas-core/src/Toolkit.ts
+++ b/packages/react-canvas-core/src/Toolkit.ts
@@ -20,7 +20,7 @@ export class Toolkit {
 
 	public static closest(element: Element, selector: string) {
 		if (!Element.prototype.closest) {
-			Element.prototype.closest = function(s) {
+			Element.prototype.closest = function (s) {
 				var el = this;
 
 				do {
diff --git a/packages/react-canvas-core/src/core-actions/ActionEventBus.ts b/packages/react-canvas-core/src/core-actions/ActionEventBus.ts
index 769ca397..031486d7 100644
--- a/packages/react-canvas-core/src/core-actions/ActionEventBus.ts
+++ b/packages/react-canvas-core/src/core-actions/ActionEventBus.ts
@@ -80,4 +80,10 @@ export class ActionEventBus {
 			action.options.fire(actionEvent as any);
 		}
 	}
+
+	clearKeys() {
+		_.forEach(Object.keys(this.keys), (key) => {
+			document.dispatchEvent(new KeyboardEvent('keyup', { key: key }));
+		});
+	}
 }
diff --git a/packages/react-canvas-core/src/entities/canvas/CanvasWidget.tsx b/packages/react-canvas-core/src/entities/canvas/CanvasWidget.tsx
index 77a06cf8..1c81a5f7 100644
--- a/packages/react-canvas-core/src/entities/canvas/CanvasWidget.tsx
+++ b/packages/react-canvas-core/src/entities/canvas/CanvasWidget.tsx
@@ -21,6 +21,7 @@ export class CanvasWidget extends React.Component<DiagramProps> {
 	ref: React.RefObject<HTMLDivElement>;
 	keyUp: any;
 	keyDown: any;
+	blur: any;
 	canvasListener: any;
 
 	constructor(props: DiagramProps) {
@@ -65,9 +66,13 @@ export class CanvasWidget extends React.Component<DiagramProps> {
 		this.keyUp = (event) => {
 			this.props.engine.getActionEventBus().fireAction({ event });
 		};
+		this.blur = () => {
+			this.props.engine.getActionEventBus().clearKeys();
+		};
 
 		document.addEventListener('keyup', this.keyUp);
 		document.addEventListener('keydown', this.keyDown);
+		document.addEventListener('blur', this.blur);
 		this.registerCanvas();
 	}