diff --git a/src/sketchup-stl.rb b/src/sketchup-stl.rb
index 26e12a3..8cd2744 100644
--- a/src/sketchup-stl.rb
+++ b/src/sketchup-stl.rb
@@ -11,9 +11,18 @@
 module CommunityExtensions
   module STL
 
-    PLUGIN_ROOT_PATH    = File.dirname(__FILE__)
-    PLUGIN_PATH         = File.join(PLUGIN_ROOT_PATH, 'sketchup-stl')
-    PLUGIN_STRINGS_PATH = File.join(PLUGIN_PATH, 'strings')
+    # In SU2014, with Ruby 2.0 the __FILE__ constant return an UTF-8 string with
+    # incorrect encoding label which will cause load errors when the file path
+    # contain multi-byte characters. This happens when the user has non-english
+    # characters in their username.
+    current_path = File.dirname(__FILE__)
+    if current_path.respond_to?(:force_encoding)
+      current_path.force_encoding("UTF-8")
+    end
+
+    PLUGIN_ROOT_PATH    = current_path.freeze
+    PLUGIN_PATH         = File.join(PLUGIN_ROOT_PATH, 'sketchup-stl').freeze
+    PLUGIN_STRINGS_PATH = File.join(PLUGIN_PATH, 'strings').freeze
 
     Sketchup::require File.join(PLUGIN_PATH, 'translator')
     options = {
@@ -41,7 +50,7 @@ def self.translate(string)
       'This is an open source project sponsored by the SketchUp team. More ' <<
       'info and updates at https://github.com/SketchUp/sketchup-stl'
     )
-    extension.version = '2.1.3'
+    extension.version = '2.1.4'
     extension.copyright = '2012-2014 Trimble Navigation, ' <<
       'released under Apache 2.0'
     extension.creator = 'J. Foltz, N. Bromham, K. Shroeder, SketchUp Team'
diff --git a/src/sketchup-stl/SKUI/core.rb b/src/sketchup-stl/SKUI/core.rb
index 2a8eccb..2c42add 100644
--- a/src/sketchup-stl/SKUI/core.rb
+++ b/src/sketchup-stl/SKUI/core.rb
@@ -1,8 +1,17 @@
 # @since 1.0.0
 module SKUI
 
+  # In SU2014, with Ruby 2.0 the __FILE__ constant return an UTF-8 string with
+  # incorrect encoding label which will cause load errors when the file path
+  # contain multi-byte characters. This happens when the user has non-english
+  # characters in their username.
+  current_path = File.dirname( __FILE__ )
+  if current_path.respond_to?( :force_encoding )
+    current_path.force_encoding( "UTF-8" )
+  end
+
   # @since 1.0.0
-  PATH      = File.dirname( __FILE__ ).freeze
+  PATH      = current_path.freeze
   PATH_JS   = File.join( PATH, 'js' ).freeze
   PATH_CSS  = File.join( PATH, 'css' ).freeze
   PATH_HTML = File.join( PATH, 'html' ).freeze
@@ -46,4 +55,4 @@ def self.reload
     $VERBOSE = original_verbose
   end
 
-end # module
+end # module
\ No newline at end of file
diff --git a/src/sketchup-stl/SKUI/embed_skui.rb b/src/sketchup-stl/SKUI/embed_skui.rb
index 472e2da..805fdd0 100644
--- a/src/sketchup-stl/SKUI/embed_skui.rb
+++ b/src/sketchup-stl/SKUI/embed_skui.rb
@@ -21,6 +21,11 @@ def self.embed_in( context )
     Object.send( :remove_const, :SKUI )
     # Load SKUI for this SKUI implementation.
     path = File.dirname( __FILE__ )
+    # In SU2014, with Ruby 2.0 the __FILE__ constant return an UTF-8 string with
+    # incorrect encoding label which will cause load errors when the file path
+    # contain multi-byte characters. This happens when the user has non-english
+    # characters in their username.
+    path.force_encoding( "UTF-8" ) if path.respond_to?( :force_encoding )
     core = File.join( path, 'core.rb' )
     loaded = require( core )
     # One can only embed SKUI into one context per SKUI installation. This is
diff --git a/src/sketchup-stl/exporter.rb b/src/sketchup-stl/exporter.rb
index 67ea77a..9633b87 100644
--- a/src/sketchup-stl/exporter.rb
+++ b/src/sketchup-stl/exporter.rb
@@ -11,7 +11,7 @@ module STL
     module Exporter
 
       # Load SKUI lib
-      load File.join(File.dirname(__FILE__), 'SKUI', 'embed_skui.rb')
+      load File.join(PLUGIN_PATH, 'SKUI', 'embed_skui.rb')
       ::SKUI.embed_in(self)
 
       STL_ASCII  = 'ASCII'.freeze