diff --git a/Scripts/Functions/Tuneup/Xhtml/xhtml.sh b/Scripts/Functions/Tuneup/Xhtml/xhtml.sh
index 83a7d71..f3e81bc 100755
--- a/Scripts/Functions/Tuneup/Xhtml/xhtml.sh
+++ b/Scripts/Functions/Tuneup/Xhtml/xhtml.sh
@@ -26,7 +26,7 @@
 function xhtml {
 
     # Define backend-specific configuration directory.
-    TUNEUP_BACKEND_CONFIG="${TUNEUP_BACKEND_DIR}/$(cli_getRepoName ${TUNEUP_BACKEND} -d)/Config"
+    local CONFIG_DIR="${TUNEUP_BACKEND_DIR}/$(cli_getRepoName ${TUNEUP_BACKEND} -d)/Config"
 
     # Transforms xhtml headings to make them accessible (e.g., through
     # a table of contents).