diff --git a/include/consts b/include/consts
index 6a2ce6a3..27dc88c7 100644
--- a/include/consts
+++ b/include/consts
@@ -73,6 +73,10 @@ unset LANG
     CHECK_BINARIES=1
     CHKROOTKITBINARY=""
     CHKCONFIGBINARY=""
+    CONTROL_URL_APPEND=""
+    CONTROL_URL_PREPEND=""
+    CUSTOM_URL_APPEND=""
+    CUSTOM_URL_PREPEND=""
     FILEVALUE=""
     FIND=""
     FOUNDPATH=0