diff --git a/updater_sample/src/com/example/android/systemupdatersample/util/UpdateEngineErrorCodes.java b/updater_sample/src/com/example/android/systemupdatersample/util/UpdateEngineErrorCodes.java
index 7d55ff8f..13df88b1 100644
--- a/updater_sample/src/com/example/android/systemupdatersample/util/UpdateEngineErrorCodes.java
+++ b/updater_sample/src/com/example/android/systemupdatersample/util/UpdateEngineErrorCodes.java
@@ -54,6 +54,7 @@ public final class UpdateEngineErrorCodes {
         CODE_TO_NAME_MAP.put(12, "DOWNLOAD_PAYLOAD_VERIFICATION_ERROR");
         CODE_TO_NAME_MAP.put(15, "NEW_ROOTFS_VERIFICATION_ERROR");
         CODE_TO_NAME_MAP.put(20, "DOWNLOAD_STATE_INITIALIZATION_ERROR");
+        CODE_TO_NAME_MAP.put(26, "DOWNLOAD_METADATA_SIGNATURE_MISMATCH");
         CODE_TO_NAME_MAP.put(48, "USER_CANCELLED");
         CODE_TO_NAME_MAP.put(52, "UPDATED_BUT_NOT_ACTIVE");
     }