diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index e2d3519..f005f8f 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -2,7 +2,7 @@ trigger:
 - master
 
 variables:
-  version: 3.1.$(rev:.r)
+  version: 3.1.$(Rev:r)
 
 pool:
   vmImage: 'ubuntu-latest'