diff --git a/kubernetes/robot/demo-k8s.sh b/kubernetes/robot/demo-k8s.sh
index 5e4e216..099f80c 100755
--- a/kubernetes/robot/demo-k8s.sh
+++ b/kubernetes/robot/demo-k8s.sh
@@ -222,7 +222,7 @@
 
 if [ $execscript ]; then
    for script in $(ls -1 "$DIR/$SCRIPTDIR"); do
-      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && . "$DIR/$SCRIPTDIR/$script"
+      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && source "$DIR/$SCRIPTDIR/$script"
    done
 fi
 
diff --git a/kubernetes/robot/ete-k8s.sh b/kubernetes/robot/ete-k8s.sh
index 01cf092..15d07fb 100755
--- a/kubernetes/robot/ete-k8s.sh
+++ b/kubernetes/robot/ete-k8s.sh
@@ -78,7 +78,7 @@
 
 if [ "${!#}" = "execscript" ]; then
    for script in $(ls -1 "$DIR/$SCRIPTDIR"); do
-      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && . "$DIR/$SCRIPTDIR/$script"
+      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && source "$DIR/$SCRIPTDIR/$script"
    done
 fi
 
diff --git a/kubernetes/robot/eteHelm-k8s.sh b/kubernetes/robot/eteHelm-k8s.sh
index 8b74da7..d5e2fa4 100755
--- a/kubernetes/robot/eteHelm-k8s.sh
+++ b/kubernetes/robot/eteHelm-k8s.sh
@@ -46,7 +46,7 @@
 
 if [ "${!#}" = "execscript" ]; then
    for script in $(ls -1 "$DIR/$SCRIPTDIR"); do
-      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && . "$DIR/$SCRIPTDIR/$script"
+      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && source "$DIR/$SCRIPTDIR/$script"
    done
 fi