diff --git a/Library/Homebrew/resource.rb b/Library/Homebrew/resource.rb
index 4c196d173d..7c4d6e773e 100644
--- a/Library/Homebrew/resource.rb
+++ b/Library/Homebrew/resource.rb
@@ -269,6 +269,8 @@ class Resource < Downloadable
 
   # A resource for a bottle manifest.
   class BottleManifest < Resource
+    class Error < RuntimeError; end
+
     attr_reader :bottle
 
     def initialize(bottle)
@@ -277,22 +279,25 @@ class Resource < Downloadable
     end
 
     def verify_download_integrity(_filename)
-      # no-op
+      # We don't have a checksum, but we can at least try parsing it.
+      tab
+    rescue Error => e
+      raise DownloadError.new(self, e)
     end
 
     def tab
       json = begin
         JSON.parse(cached_download.read)
       rescue JSON::ParserError
-        raise "The downloaded GitHub Packages manifest was corrupted or modified (it is not valid JSON): " \
-              "\n#{cached_download}"
+        raise Error, "The downloaded GitHub Packages manifest was corrupted or modified (it is not valid JSON): " \
+                     "\n#{cached_download}"
       end
 
       manifests = json["manifests"]
-      raise ArgumentError, "Missing 'manifests' section." if manifests.blank?
+      raise Error, "Missing 'manifests' section." if manifests.blank?
 
       manifests_annotations = manifests.filter_map { |m| m["annotations"] }
-      raise ArgumentError, "Missing 'annotations' section." if manifests_annotations.blank?
+      raise Error, "Missing 'annotations' section." if manifests_annotations.blank?
 
       bottle_digest = bottle.resource.checksum.hexdigest
       image_ref = GitHubPackages.version_rebuild(bottle.resource.version, bottle.rebuild, bottle.tag.to_s)
@@ -301,15 +306,15 @@ class Resource < Downloadable
 
         m["org.opencontainers.image.ref.name"] == image_ref
       end
-      raise ArgumentError, "Couldn't find manifest matching bottle checksum." if manifest_annotations.blank?
+      raise Error, "Couldn't find manifest matching bottle checksum." if manifest_annotations.blank?
 
       tab = manifest_annotations["sh.brew.tab"]
-      raise ArgumentError, "Couldn't find tab from manifest." if tab.blank?
+      raise Error, "Couldn't find tab from manifest." if tab.blank?
 
       begin
         JSON.parse(tab)
       rescue JSON::ParserError
-        raise ArgumentError, "Couldn't parse tab JSON."
+        raise Error, "Couldn't parse tab JSON."
       end
     end
   end
diff --git a/Library/Homebrew/software_spec.rb b/Library/Homebrew/software_spec.rb
index 97d2678045..63e9e1b897 100644
--- a/Library/Homebrew/software_spec.rb
+++ b/Library/Homebrew/software_spec.rb
@@ -392,14 +392,7 @@ class Bottle
   def fetch_tab
     return if github_packages_manifest_resource.blank?
 
-    # a checksum is used later identifying the correct tab but we do not have the checksum for the manifest/tab
-    github_packages_manifest_resource.fetch(verify_download_integrity: false)
-
-    begin
-      github_packages_manifest_resource.tab
-    rescue RuntimeError => e
-      raise DownloadError.new(github_packages_manifest_resource, e)
-    end
+    github_packages_manifest_resource.fetch
   rescue DownloadError
     raise unless fallback_on_error