diff --git a/changelog/unreleased/enhancement-share-group-members b/changelog/unreleased/enhancement-share-group-members
index 4b32bff3dbd..db89902d624 100644
--- a/changelog/unreleased/enhancement-share-group-members
+++ b/changelog/unreleased/enhancement-share-group-members
@@ -13,5 +13,7 @@ In detail it contains:
 * All users / groups who only have access on a share level inside a sub-resource of a space can not see all groups which are regular members of the space
 
 https://github.com/owncloud/web/pull/8161
+https://github.com/owncloud/web/pull/8300
 https://github.com/owncloud/web/issues/8160
 https://github.com/owncloud/web/issues/8177
+https://github.com/owncloud/web/issues/8299
diff --git a/packages/web-runtime/src/store/spaces.ts b/packages/web-runtime/src/store/spaces.ts
index dfea3f2cb67..f212d83b6de 100644
--- a/packages/web-runtime/src/store/spaces.ts
+++ b/packages/web-runtime/src/store/spaces.ts
@@ -88,8 +88,10 @@ const mutations = {
     state.spaceMembers = members
   },
   UPSERT_SPACE_MEMBERS(state, member) {
+    // group shares don't have the name prop... distinguish by shareType
+    const checkAttr = member.collaborator.name ? 'name' : 'displayName'
     const memberIndex = state.spaceMembers.findIndex((s) => {
-      return member.id === s.id && member.collaborator.name === s.collaborator.name
+      return member.id === s.id && member.collaborator[checkAttr] === s.collaborator[checkAttr]
     })
 
     if (memberIndex >= 0) {
@@ -100,8 +102,10 @@ const mutations = {
     }
   },
   REMOVE_SPACE_MEMBER(state, member) {
+    // group shares don't have the name prop... distinguish by shareType
+    const checkAttr = member.collaborator.name ? 'name' : 'displayName'
     state.spaceMembers = state.spaceMembers.filter(
-      (s) => member.id === s.id && member.collaborator.name !== s.collaborator.name
+      (s) => member.id === s.id && member.collaborator[checkAttr] !== s.collaborator[checkAttr]
     )
   }
 }