diff --git a/Library/Homebrew/utils/github.rb b/Library/Homebrew/utils/github.rb
index c97b17997a..ca64c4741c 100644
--- a/Library/Homebrew/utils/github.rb
+++ b/Library/Homebrew/utils/github.rb
@@ -910,15 +910,17 @@ module GitHub
       github_user = data.fetch("login")
 
       # BrewTestBot can open as many PRs as it wants.
-      return false if github_user.casecmp("brewtestbot").zero?
-      return false if data.dig("pullRequests", "totalCount") < MAXIMUM_OPEN_PRS
+      return false if github_user.casecmp?("brewtestbot")
 
-      homebrew_prs_count += data.dig("pullRequests", "nodes").count do |node|
+      pull_requests = data.fetch("pullRequests")
+      return false if pull_requests.fetch("totalCount") < MAXIMUM_OPEN_PRS
+
+      homebrew_prs_count += pull_requests.fetch("nodes").count do |node|
         node.dig("baseRepository", "owner", "login").casecmp?("homebrew")
       end
       return true if homebrew_prs_count >= MAXIMUM_OPEN_PRS
 
-      data.dig("pullRequests", "pageInfo")
+      pull_requests.fetch("pageInfo")
     end
 
     false