diff --git a/src/Jackett.Common/Jackett.Common.csproj b/src/Jackett.Common/Jackett.Common.csproj
index 2326ea392..14b9df5a7 100644
--- a/src/Jackett.Common/Jackett.Common.csproj
+++ b/src/Jackett.Common/Jackett.Common.csproj
@@ -211,4 +211,11 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  <!-- Save the compiled date so that we know if the user is running an old version of Jackett -->
+  <ItemGroup>
+    <AssemblyAttribute Include="Jackett.Common.Utils.BuildDateAttribute">
+      <_Parameter1>$([System.DateTime]::UtcNow.ToString("yyyyMMddHHmmss"))</_Parameter1>
+    </AssemblyAttribute>
+  </ItemGroup>
+  
 </Project>
diff --git a/src/Jackett.Common/Utils/BuildDate.cs b/src/Jackett.Common/Utils/BuildDate.cs
new file mode 100644
index 000000000..8e96915a0
--- /dev/null
+++ b/src/Jackett.Common/Utils/BuildDate.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Globalization;
+using System.Reflection;
+
+namespace Jackett.Common.Utils
+{
+    public static class BuildDate
+    {
+        public static DateTime GetBuildDateTime()
+        {
+            Assembly commonAssembly = Assembly.GetExecutingAssembly();
+            var attribute = commonAssembly.GetCustomAttribute<BuildDateAttribute>();
+            return attribute?.DateTime ?? default(DateTime);
+        }
+    }
+
+    [AttributeUsage(AttributeTargets.Assembly)]
+    public class BuildDateAttribute : Attribute
+    {
+        public BuildDateAttribute(string value)
+        {
+            DateTime = DateTime.ParseExact(value, "yyyyMMddHHmmss", CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal);
+        }
+
+        public DateTime DateTime { get; }
+    }
+}
diff --git a/src/Jackett.Server/Services/ServerService.cs b/src/Jackett.Server/Services/ServerService.cs
index 1c3c695bc..def47e2ab 100644
--- a/src/Jackett.Server/Services/ServerService.cs
+++ b/src/Jackett.Server/Services/ServerService.cs
@@ -261,20 +261,14 @@ namespace Jackett.Server.Services
             //Warn user that they are using an old version of Jackett
             try
             {
-                string appFolder = configService.ApplicationFolder();
-                string dllPath = Path.Combine(appFolder, "Jackett.Common.dll");
+                DateTime compiledData = BuildDate.GetBuildDateTime();
 
-                if (File.Exists(dllPath))
+                if (compiledData < DateTime.Now.AddMonths(-3))
                 {
-                    DateTime creation = File.GetCreationTime(dllPath);
-
-                    if (creation < DateTime.Now.AddMonths(-3))
-                    {
-                        string version = configService.GetVersion();
-                        string notice = $"Your version of Jackett v{version} is very old. Multiple indexers are likely to fail when using an old version. Update to the latest version of Jackett.";
-                        _notices.Add(notice);
-                        logger.Error(notice);
-                    }
+                    string version = configService.GetVersion();
+                    string notice = $"Your version of Jackett v{version} is very old. Multiple indexers are likely to fail when using an old version. Update to the latest version of Jackett.";
+                    _notices.Add(notice);
+                    logger.Error(notice);
                 }
             }
             catch (Exception e)