diff --git a/provider/notification-azure/src/main/resources/application.properties b/provider/notification-azure/src/main/resources/application.properties
index 124dca63c069e1f9d05538f5e8cc708dd8d45bb5..fcd81bed8397843f912a3bf4be2a481ab6a3cf71 100644
--- a/provider/notification-azure/src/main/resources/application.properties
+++ b/provider/notification-azure/src/main/resources/application.properties
@@ -60,6 +60,7 @@ tenantInfo.container.name=TenantInfo
 
 #RegisterSubscription Configuration
 registerSubscription.container.name=RegisterSubscription
+HMAC_SECRET=${ENV_AZURE_EVENT_SUBSCRIBER_SECRET:395f1b05e95171d7c0dde0b19fd6cf}
 
 # Specifies the number of threads to be created on the thread pool
 executor-n-threads=${executor_n_threads}