diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index eee2ae6357..e6d846dd12 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -35,7 +35,7 @@ class FormulaInstaller
               # Re-create the formula object so that args like `--HEAD` won't
               # affect properties like the installation prefix. Also need to
               # re-check installed status as the Formula may have changed.
-              dep = Formula.factory dep.name
+              dep = Formula.factory dep.path
               install_dependency dep unless dep.installed?
             end
           end