diff --git a/helperbot b/helperbot
index 3beae01..7bc2828 100755
--- a/helperbot
+++ b/helperbot
@@ -35,7 +35,7 @@ fi
 
 # check that all required utils are installed
 function check_applications {
-    local all_required_applications=("bash" "wget" "tar" "zstd" "backblaze-b2")
+    local all_required_applications=("bash" "wget" "tar" "unzip" "zstd" "backblaze-b2")
 
     for application in "${all_required_applications[@]}"; do
         if [ ! -x "$(command -v $application)" ]; then
@@ -695,7 +695,7 @@ function fedi_update_frontends {
     function _repeat_process {
         wget "$1" -O /tmp/"$2".zip
         unzip -o /tmp/"$2" -d $frontend_folder/"$3"
-        rm /tmp/"$2"
+        rm /tmp/"$2".zip
     }
 
     # TODO: it's probably possible to turn this into an array loop of some sort