diff --git a/lib/excoveralls/cobertura.ex b/lib/excoveralls/cobertura.ex
index c4405d85..0b13330f 100644
--- a/lib/excoveralls/cobertura.ex
+++ b/lib/excoveralls/cobertura.ex
@@ -159,14 +159,15 @@ defmodule ExCoveralls.Cobertura do
   end
 
   defp module_name(source) do
-    case Regex.run(~r/^def(?:module|protocol|impl)\s+(.*)\s+do$/m, source, capture: :all_but_first) do
+    cond do
+        # Is it an elixir module?
+	[module] = Regex.run(~r/^def(?:module|protocol|impl)\s+(.*)\s+do$/m, source, capture: :all_but_first) -> module
 
-      [module] ->
-        module
+        # Is it an erlang module?
+	[module] = Regex.run(~r/^-module\((.*)\)\.$/m, source, capture: :all_but_first) -> module
 
-      _ ->
-        [module] = Regex.run(~r/^-(?:module|protocol|impl)\((.*)\)\.$/m, source, capture: :all_but_first)
-        module
+        # Something else?
+	true -> "Unknown module"
     end
   end