diff --git a/Capnp.Net.Runtime/Rpc/RefCountingCapability.cs b/Capnp.Net.Runtime/Rpc/RefCountingCapability.cs
index b620a8f..61faf4b 100644
--- a/Capnp.Net.Runtime/Rpc/RefCountingCapability.cs
+++ b/Capnp.Net.Runtime/Rpc/RefCountingCapability.cs
@@ -23,6 +23,7 @@ namespace Capnp.Rpc
         // In order to distinguish state A from C, the member _refCount stores the reference count *plus one*. 
         // Value 0 has the special meaning of being in state C.
         int _refCount = 1;
+        string _disposerStackTrace;
 
         ~RefCountingCapability()
         {
@@ -68,7 +69,7 @@ namespace Capnp.Rpc
         {
             if (Interlocked.Increment(ref _refCount) <= 1)
             {
-                throw new ObjectDisposedException(nameof(ConsumedCapability));
+                throw new ObjectDisposedException(nameof(ConsumedCapability), _disposerStackTrace);
             }
         }
 
@@ -76,6 +77,8 @@ namespace Capnp.Rpc
         {
             if (1 >= Interlocked.Decrement(ref _refCount))
             {
+                _disposerStackTrace = Environment.StackTrace;
+
                 Dispose(true);
                 GC.SuppressFinalize(this);
             }