diff --git a/scripts/pdf/build-pdf.sh b/scripts/pdf/build-pdf.sh
index 621145d742..a4f8d99786 100755
--- a/scripts/pdf/build-pdf.sh
+++ b/scripts/pdf/build-pdf.sh
@@ -32,11 +32,18 @@ function main {
     fi
   else
     case $languageId in
-      "all")
+      all)
         pageDirs=(../../pages*)
         ;;
+      bn | ja | ko | ml | ta | th | zh | zh_TW)
+        echo "${languageId} is not supported to build a PDF"
+        ;;
+      en)
+        pageDirs=("pages")
+        ;;
       *)
         pageDirs=("pages.${languageId}")
+        ;;
     esac
   fi