diff --git a/tools/abandon_old_reviews.sh b/tools/abandon_old_reviews.sh
index 2cb08a7d2df..96afa28ce97 100755
--- a/tools/abandon_old_reviews.sh
+++ b/tools/abandon_old_reviews.sh
@@ -28,15 +28,26 @@
 
 # first purge the all reviews that are more than 4w old and blocked by a core -2
 
+if [ "$1" = "--dry-run" ]; then
+    echo "Enabling dry run mode"
+    DRY_RUN=1
+else
+    DRY_RUN=0
+fi
+
 set -o errexit
 
 function abandon_review {
     local gitid=$1
     shift
     local msg=$@
-    echo "Abandoning $gitid"
     # echo ssh review.openstack.org gerrit review $gitid --abandon --message \"$msg\"
-    ssh review.openstack.org gerrit review $gitid --abandon --message \"$msg\"
+    if [ $DRY_RUN -eq 1 ]; then
+	echo "Would abandon $gitid"
+    else
+	echo "Abandoning $gitid"
+	ssh review.openstack.org gerrit review $gitid --abandon --message \"$msg\"
+    fi
 }
 
 PROJECTS="(project:openstack/neutron OR project:openstack/neutron-fwaas OR \