diff --git a/src/Adaptive.Aeron/ClientConductor.cs b/src/Adaptive.Aeron/ClientConductor.cs
index 096f591..a2e6260 100644
--- a/src/Adaptive.Aeron/ClientConductor.cs
+++ b/src/Adaptive.Aeron/ClientConductor.cs
@@ -1759,7 +1759,7 @@ private int Service(long correlationId)
 
                     if (!IsClientApiCall(correlationId))
                     {
-                        throw new AeronException("Driver events adapter is invalid");
+                        throw new AeronException("Driver events adapter is invalid", ex);
                     }
                 }