diff --git a/src/Contracts/Telemetry.fs b/src/Contracts/Telemetry.fs
index b999c98a..abfbb2f2 100644
--- a/src/Contracts/Telemetry.fs
+++ b/src/Contracts/Telemetry.fs
@@ -64,7 +64,7 @@ module Central =
 
     type TelemetryImpl(telemetryConfig: (TelemetryClient * string) option) =
         let convertTagsToProperties tags = tags |> dict
-        let version = Assembly.GetEntryAssembly().GetName().Version
+        let version = Assembly.GetCallingAssembly().GetName().Version
 
         member _.TelemetryConfig = telemetryConfig