diff --git a/src/domain/journey/space/SpaceSubspaceCard/StackedAvatar.tsx b/src/domain/journey/space/SpaceSubspaceCard/StackedAvatar.tsx
index 757a5263f7..d6642c256a 100644
--- a/src/domain/journey/space/SpaceSubspaceCard/StackedAvatar.tsx
+++ b/src/domain/journey/space/SpaceSubspaceCard/StackedAvatar.tsx
@@ -4,7 +4,7 @@ import JourneyAvatar from '@/domain/journey/common/JourneyAvatar/JourneyAvatar';
 
 const StackedAvatar = ({ avatarUris }: { avatarUris: string[] }) => (
   <Box sx={{ width: gutters(2), height: gutters(2), position: 'relative', flex: '0 0 15%' }}>
-    {avatarUris?.map((avatarUri, index) => {
+    {avatarUris.map((avatarUri, index) => {
       return (
         <JourneyAvatar
           key={index}
diff --git a/src/main/topLevelPages/topLevelSpaces/SpaceExplorerView.tsx b/src/main/topLevelPages/topLevelSpaces/SpaceExplorerView.tsx
index 5f961c193e..49bd6e2051 100644
--- a/src/main/topLevelPages/topLevelSpaces/SpaceExplorerView.tsx
+++ b/src/main/topLevelPages/topLevelSpaces/SpaceExplorerView.tsx
@@ -172,7 +172,7 @@ export const SpaceExplorerView = ({
           journeyUri={space.profile?.url}
           type={space.profile?.type!}
           banner={space.profile?.cardBanner}
-          avatarUris={collectParentAvatars(space)}
+          avatarUris={collectParentAvatars(space) ?? []}
           tags={space.matchedTerms ?? space.profile?.tagset?.tags.length ? space.profile?.tagset?.tags : undefined}
           spaceDisplayName={space.parent?.profile?.displayName}
           matchedTerms={!!space.matchedTerms}