diff --git a/Tranga/GlobalBase.cs b/Tranga/GlobalBase.cs
index 34b3cd7..89e66f0 100644
--- a/Tranga/GlobalBase.cs
+++ b/Tranga/GlobalBase.cs
@@ -1,4 +1,5 @@
 using System.Globalization;
+using System.Text.RegularExpressions;
 using Logging;
 using Newtonsoft.Json;
 using Tranga.LibraryConnectors;
@@ -14,6 +15,7 @@ public abstract class GlobalBase
     protected HashSet<LibraryConnector> libraryConnectors { get; init; }
     protected List<Manga> cachedPublications { get; init; }
     protected static readonly NumberFormatInfo numberFormatDecimalPoint = new (){ NumberDecimalSeparator = "." };
+    protected static readonly Regex baseUrlRex = new(@"https?:\/\/[0-9A-z\.]*");
 
     protected GlobalBase(GlobalBase clone)
     {
diff --git a/Tranga/LibraryConnectors/LibraryConnector.cs b/Tranga/LibraryConnectors/LibraryConnector.cs
index 5da0131..64ba213 100644
--- a/Tranga/LibraryConnectors/LibraryConnector.cs
+++ b/Tranga/LibraryConnectors/LibraryConnector.cs
@@ -22,10 +22,9 @@ public abstract class LibraryConnector : GlobalBase
     protected LibraryConnector(GlobalBase clone, string baseUrl, string auth, LibraryType libraryType) : base(clone)
     {
         Log($"Creating libraryConnector {Enum.GetName(libraryType)}");
-        Regex urlRex = new(@"https?:\/\/[0-9A-z\.]*");
-        if (!urlRex.IsMatch(baseUrl))
+        if (!baseUrlRex.IsMatch(baseUrl))
             throw new ArgumentException("Base url does not match pattern");
-        this.baseUrl = urlRex.Match(baseUrl).Value;
+        this.baseUrl = baseUrlRex.Match(baseUrl).Value;
         this.auth = auth;
         this.libraryType = libraryType;
     }
diff --git a/Tranga/NotificationConnectors/Gotify.cs b/Tranga/NotificationConnectors/Gotify.cs
index deb8b57..cbe3d9c 100644
--- a/Tranga/NotificationConnectors/Gotify.cs
+++ b/Tranga/NotificationConnectors/Gotify.cs
@@ -13,7 +13,9 @@ public class Gotify : NotificationConnector
     [JsonConstructor]
     public Gotify(GlobalBase clone, string endpoint, string appToken) : base(clone, NotificationConnectorType.Gotify)
     {
-        this.endpoint = endpoint;
+        if (!baseUrlRex.IsMatch(endpoint))
+            throw new ArgumentException("endpoint does not match pattern");
+        this.endpoint = baseUrlRex.Match(endpoint).Value;;
         this.appToken = appToken;
     }