diff --git a/.github/workflows/ci-contracts.yml b/.github/workflows/ci-contracts.yml
index f1231848027..3727f951dde 100644
--- a/.github/workflows/ci-contracts.yml
+++ b/.github/workflows/ci-contracts.yml
@@ -31,6 +31,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix: ${{fromJson(needs.matrix_prep.outputs.matrix)}}
+    # a push event from the origin repo, or a PR from external repo
+    if: ${{ github.event_name == 'push' || github.event.pull_request.head.repo.full_name != 'nymtech/nym' }}
     steps:
       - uses: actions/checkout@v2
 
diff --git a/contracts/mixnet/build.rs b/contracts/mixnet/build.rs
index 93402c2fbdd..bf8d1683103 100644
--- a/contracts/mixnet/build.rs
+++ b/contracts/mixnet/build.rs
@@ -9,5 +9,5 @@ fn main() {
         // If we don't have access to git information, such as in a docs.rs build, don't error
         *config.git_mut().skip_if_error_mut() = true;
     }
-    vergen(config).expect("failed to extract build metadata");
+    vergen(config).expect("foo to extract build metadata");
 }