diff --git a/lib/exrm/utils.ex b/lib/exrm/utils.ex
index a64fdea..e09e35a 100644
--- a/lib/exrm/utils.ex
+++ b/lib/exrm/utils.ex
@@ -54,7 +54,7 @@ defmodule ReleaseManager.Utils do
   def relx(name, version, verbosity, upgrade?, dev) do
     # Setup paths
     config     = rel_file_dest_path "relx.config"
-    output_dir = @relx_output_path
+    output_dir = @relx_output_path |> Path.expand
     # Determine whether to pass --dev-mode or not
     dev_mode?  = case dev do
       true  -> "--dev-mode"
diff --git a/lib/mix/tasks/release.ex b/lib/mix/tasks/release.ex
index 1dd1722..264ff90 100644
--- a/lib/mix/tasks/release.ex
+++ b/lib/mix/tasks/release.ex
@@ -111,11 +111,11 @@ defmodule Mix.Tasks.Release do
     lib_dirs = case Mix.Project.config |> Keyword.get(:umbrella?, false) do
       true ->
         [ elixir_path,
-          '../../_build/prod',
-          '../../#{Mix.Project.config |> Keyword.get(:deps_path) |> String.to_char_list}' ]
+          '#{"_build/prod" |> Path.expand}',
+          '#{Mix.Project.Config |> Keyword.get(:deps_path) |> Path.expand}' ]
       _ ->
         [ elixir_path,
-          '../../_build/prod' ]
+          '#{"_build/prod" |> Path.expand}' ]
     end
     # Build release configuration
     relx_config = relx_config