diff --git a/src/app/components/RelayItem.svelte b/src/app/components/RelayItem.svelte
index 307f71e..a310f7c 100644
--- a/src/app/components/RelayItem.svelte
+++ b/src/app/components/RelayItem.svelte
@@ -29,7 +29,7 @@
         >{displayUrl($relay.profile.contact)}</Link>
       &bull;
     {/if}
-    {#if $relay?.profile?.supported_nips}
+    {#if Array.isArray($relay?.profile?.supported_nips)}
       <span
         class="tooltip cursor-pointer underline"
         data-tip="NIPs supported: {$relay.profile.supported_nips.join(', ')}">
diff --git a/src/app/state.ts b/src/app/state.ts
index 2016737..738fb88 100644
--- a/src/app/state.ts
+++ b/src/app/state.ts
@@ -485,7 +485,7 @@ export const messages = derived(
 export const groupMeta = deriveEvents(repository, {filters: [{kinds: [GROUP_META]}]})
 
 export const hasNip29 = (relay?: Relay) =>
-  relay?.profile?.supported_nips?.map(String)?.includes("29")
+  relay?.profile?.supported_nips?.map?.(String)?.includes?.("29")
 
 // Channels
 
diff --git a/src/routes/spaces/[relay]/+page.svelte b/src/routes/spaces/[relay]/+page.svelte
index f8f7e7c..16ca0b8 100644
--- a/src/routes/spaces/[relay]/+page.svelte
+++ b/src/routes/spaces/[relay]/+page.svelte
@@ -112,7 +112,7 @@
             <span class="ellipsize">Requires PoW {limitation?.min_pow_difficulty}</span>
           </p>
         {/if}
-        {#if supported_nips}
+        {#if Array.isArray(supported_nips)}
           <p class="badge badge-neutral">
             <span class="ellipsize">NIPs: {supported_nips.join(", ")}</span>
           </p>