diff --git a/roles/copy-release-tools-scripts/files/release-tools/add_master_python3_jobs.sh b/roles/copy-release-tools-scripts/files/release-tools/add_master_python3_jobs.sh
index 8adc942df0..327be9692b 100755
--- a/roles/copy-release-tools-scripts/files/release-tools/add_master_python3_jobs.sh
+++ b/roles/copy-release-tools-scripts/files/release-tools/add_master_python3_jobs.sh
@@ -31,6 +31,10 @@ SERIES=$2
 REPO=$3
 TOOLSDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+# We only want the series name, make sure if a branch name is passed in that we
+# strip out the part we don't want
+OLDSERIES=${OLDSERIES/stable\//}
+
 cd $REPO
 
 commit_msg="Add Python3 ${SERIES} unit tests