diff --git a/packages/sprotty/src/base/commands/command-stack.ts b/packages/sprotty/src/base/commands/command-stack.ts
index 129d9be..2b0b402 100644
--- a/packages/sprotty/src/base/commands/command-stack.ts
+++ b/packages/sprotty/src/base/commands/command-stack.ts
@@ -218,11 +218,11 @@ export class CommandStack implements ICommandStack {
         // If the command implements the IStoppableCommand interface, we first need to stop the execution of the
         // previous command with the same action kind and then store the new command as the last stoppable command.
         if (isStoppableCommand(command)) {
-            const stoppableCommand = this.stoppableCommands.get((command as any).action.kind);
+            const stoppableCommand = this.stoppableCommands.get(command.stoppableCommandKey);
             if (stoppableCommand) {
                 stoppableCommand.stopExecution();
             }
-            this.stoppableCommands.set((command as any).action.kind, command);
+            this.stoppableCommands.set(command.stoppableCommandKey, command);
         }
 
         this.currentPromise = this.currentPromise.then(state =>
diff --git a/packages/sprotty/src/base/commands/command.ts b/packages/sprotty/src/base/commands/command.ts
index 176d8a2..950254e 100644
--- a/packages/sprotty/src/base/commands/command.ts
+++ b/packages/sprotty/src/base/commands/command.ts
@@ -22,6 +22,7 @@ import { AnimationFrameSyncer } from "../animations/animation-frame-syncer";
 import { SModelRootImpl } from "../model/smodel";
 import { IModelFactory } from "../model/smodel-factory";
 import { IViewer } from "../views/viewer";
+import { hasOwnProperty } from 'sprotty-protocol';
 
 /**
  * A command holds the behaviour of an action.
@@ -57,10 +58,11 @@ export interface ICommand {
  */
 export interface IStoppableCommand extends ICommand {
     stopExecution(): void
+    stoppableCommandKey: string
 }
 
 export function isStoppableCommand(command: any): command is IStoppableCommand {
-    return command && 'stopExecution' in command && typeof command.stopExecution === 'function';
+    return command &&  hasOwnProperty(command, 'stoppableCommandKey') && 'stopExecution' in command && typeof command.stopExecution === 'function';
 }
 
 /**
diff --git a/packages/sprotty/src/features/move/move.ts b/packages/sprotty/src/features/move/move.ts
index 9dbe2e3..606d47a 100644
--- a/packages/sprotty/src/features/move/move.ts
+++ b/packages/sprotty/src/features/move/move.ts
@@ -70,10 +70,14 @@ export class MoveCommand extends MergeableCommand implements IStoppableCommand {
     protected edgeMementi: EdgeMemento[] = [];
     protected animation: Animation | undefined;
 
+    stoppableCommandKey: string;
+
     constructor(@inject(TYPES.Action) protected readonly action: MoveAction) {
         super();
+        this.stoppableCommandKey = MoveCommand.KIND;
     }
 
+
     // stop the execution of the CompoundAnimation started below
     stopExecution(): void {
         if (this.animation) {