diff --git a/x230/build.sh b/x230/build.sh
index 66fcd9c..dfa5a21 100755
--- a/x230/build.sh
+++ b/x230/build.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+ls -1 config* || exit 0
 . skulls_common.sh
 
 warn_not_root
diff --git a/x230/config-2ca2acc51f b/x230/nonfree-config-2ca2acc51f
similarity index 100%
rename from x230/config-2ca2acc51f
rename to x230/nonfree-config-2ca2acc51f