diff --git a/container-setup.sh b/container-setup.sh
index bb08296..4806fde 100755
--- a/container-setup.sh
+++ b/container-setup.sh
@@ -1,6 +1,11 @@
 #!/bin/sh
 
-. ./config
+if [ -z "$1" ] ; then
+	echo "Error - must supply config file"
+	exit 1
+fi
+
+. "$1"
 
 ./dev/container-create.sh
 
diff --git a/publish.sh b/publish.sh
index 95c317b..27587e4 100755
--- a/publish.sh
+++ b/publish.sh
@@ -1,6 +1,11 @@
 #!/bin/sh
 
-. ./config
+if [ -z "$1" ] ; then
+	echo "Error - must supply config file"
+	exit 1
+fi
+
+. "$1"
 
 ./dev/export-data.sh
 
diff --git a/webserver-provision.sh b/webserver-provision.sh
index c7c1a27..6986a3a 100755
--- a/webserver-provision.sh
+++ b/webserver-provision.sh
@@ -1,6 +1,11 @@
 #!/bin/sh
 
-. ./config
+if [ -z "$1" ] ; then
+	echo "Error - must supply config file"
+	exit 1
+fi
+
+. "$1"
 
 _ssh_url="root@$_remote_host.$_domain"