diff --git a/projects/adf-office-services-ext/src/lib/evaluators.spec.ts b/projects/adf-office-services-ext/src/lib/evaluators.spec.ts
index a16e1b40e..66e5c97da 100644
--- a/projects/adf-office-services-ext/src/lib/evaluators.spec.ts
+++ b/projects/adf-office-services-ext/src/lib/evaluators.spec.ts
@@ -165,7 +165,7 @@ describe('evaluators', () => {
       expect(canOpenWithOffice(context)).toBeFalsy();
     });
 
-    it('should return [true] if current user is lock owner', () => {
+    it('should return [false] if current user is lock owner', () => {
       const context: any = {
         profile: {
           id: 'user1'
@@ -186,7 +186,7 @@ describe('evaluators', () => {
         }
       };
 
-      expect(canOpenWithOffice(context)).toBeTruthy();
+      expect(canOpenWithOffice(context)).toBeFalsy();
     });
 
     it('should return [true] if all checks succeed', () => {
diff --git a/projects/adf-office-services-ext/src/lib/evaluators.ts b/projects/adf-office-services-ext/src/lib/evaluators.ts
index eb1f5c62b..ade0db3b0 100644
--- a/projects/adf-office-services-ext/src/lib/evaluators.ts
+++ b/projects/adf-office-services-ext/src/lib/evaluators.ts
@@ -47,8 +47,12 @@ export function canOpenWithOffice(
     file.entry.properties['cm:lockType'] === 'WRITE_LOCK' ||
     file.entry.properties['cm:lockType'] === 'READ_ONLY_LOCK'
   ) {
-    const lockOwner = file.entry.properties['cm:lockOwner'];
-    return lockOwner && lockOwner.id === context.profile.id;
+    return false;
+  }
+
+  const lockOwner = file.entry.properties['cm:lockOwner'];
+  if (lockOwner && lockOwner.id !== context.profile.id) {
+    return false;
   }
 
   return true;