diff --git a/cnc b/cnc
index b100f31..0d82886 100755
--- a/cnc
+++ b/cnc
@@ -1,4 +1,7 @@
 #!/bin/sh
+if [ -z ${CNC_HOME+x} ]; then
+	export CNC_HOME="$HOME/.concession"
+fi
 if [ -x "$CNC_HOME/cnc" ]; then
 	exec "$CNC_HOME/cnc" "$@"
 else