diff --git a/frontend/src/models/Coordinator.model.ts b/frontend/src/models/Coordinator.model.ts
index 3ae5e6b8..0b44ba68 100644
--- a/frontend/src/models/Coordinator.model.ts
+++ b/frontend/src/models/Coordinator.model.ts
@@ -305,10 +305,11 @@ export class Coordinator {
   };
 
   getRelayUrl = (network: 'mainnet' | 'testnet', hostUrl: string, selfHosted: boolean): string => {
+    const protocol = hostUrl.includes('https') ? 'wss' : 'ws';
     if (selfHosted && this.shortAlias !== 'local') {
-      return `ws://${hostUrl.replace(/^https?:\/\//, '')}/${network}/${this.shortAlias}/relay`;
+      return `${protocol}://${hostUrl.replace(/^https?:\/\//, '')}/${network}/${this.shortAlias}/relay/`;
     } else {
-      return `ws://${this.url.replace(/^https?:\/\//, '')}/relay`;
+      return `${protocol}://${this.url.replace(/^https?:\/\//, '')}/relay/`;
     }
   };
 }
diff --git a/frontend/src/services/RoboPool/index.ts b/frontend/src/services/RoboPool/index.ts
index 65738fff..25f13bac 100644
--- a/frontend/src/services/RoboPool/index.ts
+++ b/frontend/src/services/RoboPool/index.ts
@@ -19,7 +19,8 @@ class RoboPool {
     );
 
     if (settings.host) {
-      const hostNostr = `ws://${settings.host.replace(/^https?:\/\//, '')}/relay`;
+      const protocol = hostUrl.includes('https') ? 'wss' : 'ws';
+      const hostNostr = `${protocol}://${settings.host.replace(/^https?:\/\//, '')}/relay/`;
       if (federationRelays.includes(hostNostr)) {
         this.relays.push(hostNostr);
       }