diff --git a/src/lib/url.ts b/src/lib/url.ts
index bc72309..8e002eb 100644
--- a/src/lib/url.ts
+++ b/src/lib/url.ts
@@ -20,6 +20,13 @@ export function normalizeUrl(url: string): string {
     } else if (p.protocol === 'http:') {
       p.protocol = 'ws:'
     }
+    
+    // Normalize localhost and local network addresses to always use ws:// instead of wss://
+    // This fixes the common typo where people use wss:// for local relays
+    if (isLocalNetworkUrl(p.toString())) {
+      p.protocol = 'ws:'
+    }
+    
     if ((p.port === '80' && p.protocol === 'ws:') || (p.port === '443' && p.protocol === 'wss:')) {
       p.port = ''
     }
diff --git a/src/services/client.service.ts b/src/services/client.service.ts
index 83bf620..e2705db 100644
--- a/src/services/client.service.ts
+++ b/src/services/client.service.ts
@@ -1570,9 +1570,15 @@ class ClientService extends EventTarget {
       return relays
     }
 
-    const normalizedBlocked = blockedRelays.map(url => normalizeUrl(url) || url)
+    // Helper function to safely normalize URLs
+    const safeNormalize = (url: string): string => {
+      const normalized = normalizeUrl(url)
+      return normalized || url
+    }
+
+    const normalizedBlocked = blockedRelays.map(safeNormalize)
     return relays.filter(relay => {
-      const normalizedRelay = normalizeUrl(relay) || relay
+      const normalizedRelay = safeNormalize(relay)
       return !normalizedBlocked.includes(normalizedRelay)
     })
   }
diff --git a/src/services/relay-selection.service.ts b/src/services/relay-selection.service.ts
index 89cb0a5..d4b552c 100644
--- a/src/services/relay-selection.service.ts
+++ b/src/services/relay-selection.service.ts
@@ -482,9 +482,15 @@ class RelaySelectionService {
       return relays
     }
 
-    const normalizedBlocked = blockedRelays.map(url => normalizeUrl(url) || url)
+    // Helper function to safely normalize URLs
+    const safeNormalize = (url: string): string => {
+      const normalized = normalizeUrl(url)
+      return normalized || url
+    }
+
+    const normalizedBlocked = blockedRelays.map(safeNormalize)
     return relays.filter(relay => {
-      const normalizedRelay = normalizeUrl(relay) || relay
+      const normalizedRelay = safeNormalize(relay)
       return !normalizedBlocked.includes(normalizedRelay)
     })
   }