diff --git a/include/init.sh b/include/init.sh
index 9e05d503..349d40ed 100644
--- a/include/init.sh
+++ b/include/init.sh
@@ -186,7 +186,7 @@ xbmk_create_tmpdir()
 
 xbmk_lock()
 {
-	[ -f "$xbmklock" ] && err "$xbmklock exists. Is a build running?"
+	[ -f "$xbmklock" ] && err "'$xbmklock' exists. Is a build running?"
 	touch "$xbmklock" || err "cannot create '$xbmklock'"; :
 }