diff --git a/direct-impl/src/main/java/com/microsoft/azure/cosmosdb/internal/directconnectivity/RntbdTransportClient.java b/direct-impl/src/main/java/com/microsoft/azure/cosmosdb/internal/directconnectivity/RntbdTransportClient.java
index 79dca5f6..25dabc26 100644
--- a/direct-impl/src/main/java/com/microsoft/azure/cosmosdb/internal/directconnectivity/RntbdTransportClient.java
+++ b/direct-impl/src/main/java/com/microsoft/azure/cosmosdb/internal/directconnectivity/RntbdTransportClient.java
@@ -136,7 +136,7 @@ public final class RntbdTransportClient extends TransportClient implements AutoC
                     emitter.onSuccess(response);
                 } else {
                     reportIssueUnless(error instanceof DocumentClientException, logger, this,
-                        "expected {}, not ", DocumentClientException.class, error);
+                        "expected {}, not {}", DocumentClientException.class, error);
                     this.metrics.incrementErrorResponseCount();
                     emitter.onError(error);
                 }