diff --git a/setup-key.sh b/setup-key.sh
old mode 100644
new mode 100755
index e8abb92..507bd47
--- a/setup-key.sh
+++ b/setup-key.sh
@@ -28,6 +28,15 @@ if [ -e "${KEYFILE}" ]; then
 	exit 1
 fi
 
+URL="https://git.abstractnonsen.se/${OWNER}/${REPOSITORY}"
+if curl --output /dev/null --silent --head --fail "${URL}"; then
+  read -p -n 1 -r "Url ${URL} is not (publicly) accessible, are you sure you want to continue? [y/N] "
+  echo
+  if [[ ! $REPLY =~ ^[Yy]$ ]]
+    exit 1
+  fi
+fi
+
 mkdir -p "${KEY_DIR}"
 chmod 700 "${KEY_DIR}"