diff --git a/Library/Homebrew/dependency_collector.rb b/Library/Homebrew/dependency_collector.rb
index e2c68fe9da..31e180b110 100644
--- a/Library/Homebrew/dependency_collector.rb
+++ b/Library/Homebrew/dependency_collector.rb
@@ -165,6 +165,7 @@ class DependencyCollector
   def parse_url_spec(url, tags)
     case File.extname(url)
     when ".xz"  then Dependency.new("xz", tags)
+    when ".lha", ".lzh" then Dependency.new("lha", tags)
     when ".lz"  then Dependency.new("lzip", tags)
     when ".rar" then Dependency.new("unrar", tags)
     when ".7z"  then Dependency.new("p7zip", tags)