diff --git a/src/engine/collision.tl b/src/engine/collision.tl
index f479c5b..0dc5a82 100644
--- a/src/engine/collision.tl
+++ b/src/engine/collision.tl
@@ -207,7 +207,7 @@ function Group:cull_if_hit_by(lookup: Lookup, destroys: ReadableGroup<Entity>)
         if entity.clear then
             entity:clear()
         end
-        self:remove(entity as T)
+        self:remove(entity)
     end
 end
 
diff --git a/src/menus/update_screen.tl b/src/menus/update_screen.tl
index 076cd25..fec7052 100644
--- a/src/menus/update_screen.tl
+++ b/src/menus/update_screen.tl
@@ -20,7 +20,7 @@ end
 
 local function run_script(script_name: string): (integer, string)
     local output = capture("sh -c '" .. script_name .. "; echo EXIT_CODE:$?'")
-    local ok = tonumber(output:match("EXIT_CODE:(%d+)")) as integer
+    local ok = math.floor(tonumber(output:match("EXIT_CODE:(%d+)")))
     return ok, output
 end