diff --git a/install.sh b/install.sh
index d12d8e2..abbf413 100755
--- a/install.sh
+++ b/install.sh
@@ -223,6 +223,7 @@ if ! diff tar1090.sh "$ipath"/tar1090.sh &>/dev/null; then
             systemctl stop "$service" 2>/dev/null || true
         fi
     done < <(echo "$instances")
+    rm -f "$ipath"/tar1090.sh
     cp tar1090.sh "$ipath"
 fi