diff --git a/src/lib/models/user_profile.d.ts b/src/lib/models/user_profile.d.ts
index 283ff9a..892dda8 100644
--- a/src/lib/models/user_profile.d.ts
+++ b/src/lib/models/user_profile.d.ts
@@ -1,6 +1,7 @@
 export interface UserProfile {
   name?: string;
   display_name?: string;
+  displayName?: string;
   about?: string;
   picture?: string;
   banner?: string;
diff --git a/src/lib/snippets/UserSnippets.svelte b/src/lib/snippets/UserSnippets.svelte
index d069c94..54c9cf0 100644
--- a/src/lib/snippets/UserSnippets.svelte
+++ b/src/lib/snippets/UserSnippets.svelte
@@ -21,7 +21,7 @@
             class="npub-badge bg-transparent border-none p-0 underline cursor-pointer"
             onclick={() => goto(`/events?id=${npub}`)}
           >
-            @{p.display_name ||
+            @{p.displayName ||
               p.display_name ||
               p.name ||
               npub.slice(0, 8) + "..." + npub.slice(-4)}
diff --git a/src/lib/utils/npubCache.ts b/src/lib/utils/npubCache.ts
index bc50d7b..1b3f3d9 100644
--- a/src/lib/utils/npubCache.ts
+++ b/src/lib/utils/npubCache.ts
@@ -124,6 +124,7 @@ class UnifiedProfileCache {
       const metadata: NostrProfile = {
         name: profile?.name || fallback.name,
         displayName: profile?.displayName || profile?.display_name,
+        display_name: profile?.display_name || profile?.displayName, // AI-NOTE: 2025-01-24 - Added for compatibility
         nip05: profile?.nip05,
         picture: profile?.picture || profile?.image,
         about: profile?.about,
diff --git a/src/lib/utils/search_types.ts b/src/lib/utils/search_types.ts
index 46da61e..dc336d0 100644
--- a/src/lib/utils/search_types.ts
+++ b/src/lib/utils/search_types.ts
@@ -20,6 +20,7 @@ export interface Filter {
 export interface NostrProfile {
   name?: string;
   displayName?: string;
+  display_name?: string; // AI-NOTE: 2025-01-24 - Added for compatibility with existing code
   nip05?: string;
   picture?: string;
   about?: string;