diff --git a/scripts/fix_docker.sh b/scripts/fix_docker.sh
index 30cf64c..b0bd99d 100644
--- a/scripts/fix_docker.sh
+++ b/scripts/fix_docker.sh
@@ -37,10 +37,17 @@ curl -fsSL https://download.docker.com/linux/ubuntu/gpg \
   | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
 chmod a+r /etc/apt/keyrings/docker.gpg
 
+# ubuntu or debian?
+KIND=$(lsb_release -is | tr '[:upper:]' '[:lower:]')
+if [[ "$KIND" != "ubuntu" && "$KIND" != "debian" ]]; then
+  echo "This script is intended for Ubuntu or Debian systems only."
+  exit 1
+fi
+
 # 5) Set up the Docker APT repository
 echo \
   "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
-  https://download.docker.com/linux/ubuntu \
+  https://download.docker.com/linux/$KIND \
   $(lsb_release -cs) stable" \
   | tee /etc/apt/sources.list.d/docker.list > /dev/null