diff --git a/nanoc/lib/mixin/erb.rb b/nanoc/lib/mixin/erb.rb
index fa9eedb3c..2a6feadde 100644
--- a/nanoc/lib/mixin/erb.rb
+++ b/nanoc/lib/mixin/erb.rb
@@ -1,6 +1,6 @@
 module Mixin::ERB
-  def erb(partial, local_assigns = {})
-    erb = File.binread File.join(Dir.getwd, "src", "html", "partials", partial)
+  def erb(path, local_assigns = {})
+    erb = File.binread File.join(Dir.getwd, "src", "html", path)
     scope = binding
     local_assigns.each { scope.local_variable_set(_1, _2) }
     ::ERB.new(erb).result(scope)
diff --git a/nanoc/lib/mixin/opengraph.rb b/nanoc/lib/mixin/opengraph.rb
index 922d6bc79..bad228de5 100644
--- a/nanoc/lib/mixin/opengraph.rb
+++ b/nanoc/lib/mixin/opengraph.rb
@@ -2,7 +2,7 @@
 
 module Mixin::OpenGraph
   def opengraph(context)
-    erb "opengraph.html.erb", local_assigns(context)
+    erb "partials/opengraph.html.erb", local_assigns(context)
   end
 
   def local_assigns(context)