diff --git a/.github/helper/install.sh b/.github/helper/install.sh
index e7f46410e6c..f9a7a024aea 100644
--- a/.github/helper/install.sh
+++ b/.github/helper/install.sh
@@ -2,6 +2,13 @@
 
 set -e
 
+# Check for merge conflicts before proceeding
+python -m compileall -f "${GITHUB_WORKSPACE}"
+if grep -lr --exclude-dir=node_modules "^<<<<<<< " "${GITHUB_WORKSPACE}"
+    then echo "Found merge conflicts"
+    exit 1
+fi
+
 cd ~ || exit
 
 sudo apt-get install redis-server libcups2-dev