diff --git a/require-ess/tools/setE3Env.bash b/require-ess/tools/setE3Env.bash
index dea3f30df14af1863eff6d93cfb05610aad8a4af..1293e8dc96d33f052a47febce384906f44428963 100644
--- a/require-ess/tools/setE3Env.bash
+++ b/require-ess/tools/setE3Env.bash
@@ -24,6 +24,15 @@
 #   version : 0.8.1
 #
 #
+if [[ "$0" == "${BASH_SOURCE[0]}" ]]
+then
+        echo
+        echo "##############################################################################################"
+        echo "$0 is NOT properly sourced !"
+        echo "##############################################################################################"
+        echo
+        exit 1
+fi
 
 # the following function drop_from_path was copied from
 # the ROOT build system in ${ROOTSYS}/bin/, and modified
@@ -336,3 +345,14 @@ export LD_LIBRARY_PATH
 source "${SRC_PATH}"/iocsh_complete.bash
 
 print_env "$1"
+
+echo
+echo "##############################################"
+echo "You are now using:"
+echo "$E3_REQUIRE_LOCATION" | awk -F '=' '{print $1}'
+echo "##############################################"
+echo
+
+BASE_version=$(echo "$EPICS_BASE" | awk -F '/' '{print $3}' | awk -F '-' '{print $2}')
+
+export PS1="\[\033[33m\]\u\[\033[m\] @ Base:$BASE_version Req:$E3_REQUIRE_VERSION \[\033[33;1m\] \w\[\033[m\]\$ "