diff --git a/plugins/octopus-deploy/src/components/EntityPageOctopusDeploy/EntityPageOctopusDeploy.tsx b/plugins/octopus-deploy/src/components/EntityPageOctopusDeploy/EntityPageOctopusDeploy.tsx
index 5fc035595c..21080cb408 100644
--- a/plugins/octopus-deploy/src/components/EntityPageOctopusDeploy/EntityPageOctopusDeploy.tsx
+++ b/plugins/octopus-deploy/src/components/EntityPageOctopusDeploy/EntityPageOctopusDeploy.tsx
@@ -15,23 +15,19 @@
  */
 import { useEntity } from '@backstage/plugin-catalog-react';
 import { useReleases } from '../../hooks/useReleases';
-import {
-  getProjectIdAnnotationFromEntity,
-  getSpaceIdAnnotationFromEntity,
-} from '../../utils/getAnnotationFromEntity';
+import { getProjectReferenceAnnotationFromEntity } from '../../utils/getAnnotationFromEntity';
 import React from 'react';
 import { ReleaseTable } from '../ReleaseTable';
 
 export const EntityPageOctopusDeploy = (props: { defaultLimit?: number }) => {
   const { entity } = useEntity();
 
-  const projectId = getProjectIdAnnotationFromEntity(entity);
-  const spaceId = getSpaceIdAnnotationFromEntity(entity);
+  const projectReference = getProjectReferenceAnnotationFromEntity(entity);
 
   const { environments, releases, loading, error } = useReleases(
-    projectId,
+    projectReference.projectId,
     props.defaultLimit ?? 3,
-    spaceId,
+    projectReference.spaceId,
   );
 
   return (
diff --git a/plugins/octopus-deploy/src/constants.ts b/plugins/octopus-deploy/src/constants.ts
index cb3b2356af..3bdc48252f 100644
--- a/plugins/octopus-deploy/src/constants.ts
+++ b/plugins/octopus-deploy/src/constants.ts
@@ -16,5 +16,3 @@
 
 /** @public */
 export const OCTOPUS_DEPLOY_PROJECT_ID_ANNOTATION = 'octopus.com/project-id';
-/** @public */
-export const OCTOPUS_DEPLOY_SPACE_ID_ANNOTATION = 'octopus.com/space-id';
diff --git a/plugins/octopus-deploy/src/index.ts b/plugins/octopus-deploy/src/index.ts
index 07fcdc82f5..e3264efaf0 100644
--- a/plugins/octopus-deploy/src/index.ts
+++ b/plugins/octopus-deploy/src/index.ts
@@ -21,7 +21,4 @@ export {
 
 export * from './api';
 
-export {
-  OCTOPUS_DEPLOY_PROJECT_ID_ANNOTATION,
-  OCTOPUS_DEPLOY_SPACE_ID_ANNOTATION,
-} from './constants';
+export { OCTOPUS_DEPLOY_PROJECT_ID_ANNOTATION } from './constants';
diff --git a/plugins/octopus-deploy/src/utils/getAnnotationFromEntity.ts b/plugins/octopus-deploy/src/utils/getAnnotationFromEntity.ts
index 14d8739962..29881a1daa 100644
--- a/plugins/octopus-deploy/src/utils/getAnnotationFromEntity.ts
+++ b/plugins/octopus-deploy/src/utils/getAnnotationFromEntity.ts
@@ -13,14 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import {
-  OCTOPUS_DEPLOY_PROJECT_ID_ANNOTATION,
-  OCTOPUS_DEPLOY_SPACE_ID_ANNOTATION,
-} from '../constants';
+import { OCTOPUS_DEPLOY_PROJECT_ID_ANNOTATION } from '../constants';
 
 import { Entity } from '@backstage/catalog-model';
 
-export function getProjectIdAnnotationFromEntity(entity: Entity): string {
+export type ProjectReference = { projectId: string; spaceId?: string };
+
+export function getProjectReferenceAnnotationFromEntity(
+  entity: Entity,
+): ProjectReference {
   const annotation =
     entity.metadata.annotations?.[OCTOPUS_DEPLOY_PROJECT_ID_ANNOTATION];
   if (!annotation) {
@@ -29,14 +30,9 @@ export function getProjectIdAnnotationFromEntity(entity: Entity): string {
     );
   }
 
-  return annotation;
-}
-
-export function getSpaceIdAnnotationFromEntity(
-  entity: Entity,
-): string | undefined {
-  const annotation =
-    entity.metadata.annotations?.[OCTOPUS_DEPLOY_SPACE_ID_ANNOTATION];
-
-  return annotation || undefined;
+  const referencedProject = annotation.split('/', 2);
+  if (referencedProject.length === 2) {
+    return { projectId: referencedProject[1], spaceId: referencedProject[0] };
+  }
+  return { projectId: referencedProject[0] };
 }