diff --git a/karahti b/karahti
index 7fd7b27..3b7d469 100755
--- a/karahti
+++ b/karahti
@@ -8,7 +8,7 @@ has() {
   fi
 }
 
-for prog in curl; do
+for prog in curl tail; do
   if ! has "$prog"; then
     printf "please install %s\n" "$prog" >&2
     exit 1