diff --git a/packages/app/src/cli/services/context/breakdown-extensions.test.ts b/packages/app/src/cli/services/context/breakdown-extensions.test.ts
index a91a5d183c5..7ac6882d58c 100644
--- a/packages/app/src/cli/services/context/breakdown-extensions.test.ts
+++ b/packages/app/src/cli/services/context/breakdown-extensions.test.ts
@@ -90,6 +90,21 @@ const MODULE_CLI_A_NO_UID: AppModuleVersion = {
   },
 }
 
+const MODULE_CLI_A_EXTERNAL_IDENTIFIER: AppModuleVersion = {
+  registrationId: 'A',
+  registrationUuid: 'UUID_A',
+  registrationTitle: 'Checkout post purchase',
+  type: 'checkout_post_purchase_external',
+  specification: {
+    identifier: 'checkout_post_purchase_external',
+    name: 'Post purchase UI extension',
+    experience: 'extension',
+    options: {
+      managementExperience: 'cli',
+    },
+  },
+}
+
 const MODULE_DASHBOARD_MIGRATED_CLI_A: AppModuleVersion = {
   registrationId: 'A',
   registrationUuid: 'UUID_A',
@@ -567,6 +582,49 @@ describe('extensionsIdentifiersDeployBreakdown', () => {
         remoteExtensionsRegistrations: remoteExtensionRegistrations.app,
       })
     })
+
+    test('and there is an active version with a module matching a local spec external identifier then cli extension should be unchanged', async () => {
+      // Given
+      const extensionsToConfirm = {
+        validMatches: {EXTENSION_A: 'UUID_A'},
+        dashboardOnlyExtensions: [],
+        extensionsToCreate: [],
+        didMigrateDashboardExtensions: false,
+      }
+      vi.mocked(ensureExtensionsIds).mockResolvedValue(extensionsToConfirm)
+      const remoteExtensionRegistrations = {
+        app: {
+          extensionRegistrations: [REGISTRATION_A],
+          configurationRegistrations: [],
+          dashboardManagedExtensionRegistrations: [],
+        },
+      }
+      const activeAppVersion = {
+        appModuleVersions: [MODULE_CLI_A_EXTERNAL_IDENTIFIER],
+      }
+
+      const developerPlatformClient: DeveloperPlatformClient = testDeveloperPlatformClient({
+        appExtensionRegistrations: (_app: MinimalAppIdentifiers) => Promise.resolve(remoteExtensionRegistrations),
+      })
+
+      // When
+      const result = await extensionsIdentifiersDeployBreakdown(
+        await options({uiExtensions: [EXTENSION_A], developerPlatformClient, activeAppVersion}),
+      )
+
+      // Then
+      expect(result).toEqual({
+        extensionIdentifiersBreakdown: {
+          onlyRemote: [],
+          toCreate: [],
+          toUpdate: [],
+          unchanged: [buildExtensionBreakdownInfo('EXTENSION_A', undefined)],
+        },
+        extensionsToConfirm,
+        remoteExtensionsRegistrations: remoteExtensionRegistrations.app,
+      })
+    })
+
     test('and there is an active version with matching dashboard migrated cli app modules then migrated extension should be returned in the to create', async () => {
       // Given
       const remoteExtensionRegistrations = {
diff --git a/packages/app/src/cli/services/context/breakdown-extensions.ts b/packages/app/src/cli/services/context/breakdown-extensions.ts
index 9d854e8339a..aad339444f5 100644
--- a/packages/app/src/cli/services/context/breakdown-extensions.ts
+++ b/packages/app/src/cli/services/context/breakdown-extensions.ts
@@ -348,7 +348,10 @@ function loadExtensionsIdentifiersBreakdown(
   developerPlatformClient: DeveloperPlatformClient,
 ) {
   const extensionModules = activeAppVersion?.appModuleVersions.filter((ext) => {
-    const spec = specs.find((spec) => spec.identifier === ext.specification?.identifier)
+    const spec = specs.find(
+      (spec) =>
+        spec.identifier === ext.specification?.identifier || spec.externalIdentifier === ext.specification?.identifier,
+    )
     return spec && !isAppConfigSpecification(spec)
   })