diff --git a/Library/Homebrew/sorbet/files.yaml b/Library/Homebrew/sorbet/files.yaml
index 1a85e96787..3272ee517e 100644
--- a/Library/Homebrew/sorbet/files.yaml
+++ b/Library/Homebrew/sorbet/files.yaml
@@ -456,7 +456,6 @@ false:
   - ./utils/git.rb
   - ./utils/github.rb
   - ./utils/popen.rb
-  - ./utils/user.rb
 
 false:
   - ./PATH.rb
@@ -895,6 +894,7 @@ true:
   - ./utils/shell.rb
   - ./utils/svn.rb
   - ./utils/tty.rb
+  - ./utils/user.rb
   - ./version/null.rb
 
 strict:
diff --git a/Library/Homebrew/sorbet/rbi/utils/user.rbi b/Library/Homebrew/sorbet/rbi/utils/user.rbi
new file mode 100644
index 0000000000..49e9f1b3f4
--- /dev/null
+++ b/Library/Homebrew/sorbet/rbi/utils/user.rbi
@@ -0,0 +1,9 @@
+# typed: strict
+
+class User < String
+  def gui?
+  end
+
+  def self.current
+  end
+end
diff --git a/Library/Homebrew/utils/user.rb b/Library/Homebrew/utils/user.rb
index cf93d088d8..ce3e8e6b2e 100644
--- a/Library/Homebrew/utils/user.rb
+++ b/Library/Homebrew/utils/user.rb
@@ -16,6 +16,11 @@ class User < DelegateClass(String)
   end
 
   def self.current
-    @current ||= new(Etc.getpwuid(Process.euid).name)
+    return @current if defined?(@current)
+
+    pwuid = Etc.getpwuid(Process.euid)
+    return if pwuid.nil?
+
+    @current = new(pwuid.name)
   end
 end