diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 539f0a17d..6463a065b 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -65,7 +65,7 @@ stages:
     - task: DotNetCoreCLI@2
       inputs:
         command: pack
-        packagesToPack: '**/Refit.*.csproj!**/*.Tests.csproj'
+        packagesToPack: '**/Refit.*.csproj;!**/*.Tests.csproj'
         configuration: $(BuildConfiguration)
         packDirectory: $(Build.ArtifactStagingDirectory)\artifacts
         verbosityPack: Minimal