diff --git a/src/messaging/ExchangeContext.cpp b/src/messaging/ExchangeContext.cpp
index 2b7392a19f7b24..080b73b82ca337 100644
--- a/src/messaging/ExchangeContext.cpp
+++ b/src/messaging/ExchangeContext.cpp
@@ -581,6 +581,7 @@ CHIP_ERROR ExchangeContext::HandleMessage(uint32_t messageCounter, const Payload
         // Just drop this message; if we delivered it to our delegate it might
         // try to send another message-needing-an-ack in response, which would
         // violate our internal invariants.
+        ChipLogError(ExchangeManager, "Dropping message without piggyback ack when we are waiting for an ack.");
         return CHIP_ERROR_INCORRECT_STATE;
     }