diff --git a/source.env b/source.env
index 943f711..4d6e7c1 100644
--- a/source.env
+++ b/source.env
@@ -1,11 +1,18 @@
 #!/bin/bash
-# Converted the env file to a shell script so that $0 can be used.
+# 2023-07-05 Converted the env file to a shell script so that $0 can be used.
 
 DIR=`dirname $0`
 if [[ $DIR == \.* ]]; then
 	DIR=`pwd`
 fi
 
+# Some projects are hard-coded to use /opt/Docker/Volumes so display a notice
+#  until they are updated to be directory agnostic. Will help with testing!
+PREFERRED_HOME="/opt/Docker"
+if [[ $DIR != $PREFERRED_HOME ]]; then
+	echo "WARNING: Preferred home is $PREFERRED_HOME but using $DIR." >&2
+fi
+
 DOCKER_HOME=$DIR
 DOCKER_PATH=$DOCKER_HOME/bin
 PATH=$DOCKER_PATH:$PATH