diff --git a/eng/ci/public-build.yml b/eng/ci/public-build.yml
index e4a3bc60..16979732 100644
--- a/eng/ci/public-build.yml
+++ b/eng/ci/public-build.yml
@@ -55,6 +55,10 @@ extends:
         image: 1es-windows-2022
         os: windows
 
+    settings:
+      # PR's from forks do not have sufficient permissions to set tags.
+      skipBuildTagsForGitHubPullRequests: ${{ variables['System.PullRequest.IsFork'] }}
+
     stages:
     - stage: Test