diff --git a/jenkins/scripts/run-wheel.sh b/jenkins/scripts/run-wheel.sh
index 7b3048e2c3..0c9d22f436 100644
--- a/jenkins/scripts/run-wheel.sh
+++ b/jenkins/scripts/run-wheel.sh
@@ -14,6 +14,13 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+# metadata.json is a file present in Puppet modules but not in Python projects.
+# Based on this information, we'll run wheel only on Python projects.
+# This conditionnal allows to run tarball JJB macro for both types of projects.
+if [ -r metadata.json ]; then
+    exit 0
+fi
+
 venv=${1:-venv}
 
 export UPPER_CONSTRAINTS_FILE=$(pwd)/upper-constraints.txt