diff --git a/deploy.sh b/deploy.sh
index 9787a55..77c96c2 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -2,14 +2,14 @@
 set -e
 
 # Check for the source server (with default)
-DEPLOY_SOURCE_FILE="~/.deploy_source"
+DEPLOY_SOURCE_FILE="${HOME}/.deploy_source"
 DEPLOY_SOURCE="https://git.bjphoster.com/deployments"
 if [ -f "${DEPLOY_SOURCE_FILE}" ]; then
   . "${DEPLOY_SOURCE_FILE}"
 fi
 
 # Check for the deploy position (with default)
-DEPLOY_DESTINATION_FILE="~/.deploy_destination"
+DEPLOY_DESTINATION_FILE="${HOME}/.deploy_destination"
 DEPLOY_DESTINATION="/opt"
 if [ -f "${DEPLOY_DESTINATION_FILE}" ]; then
   . "${DEPLOY_DESTINATION_FILE}"