diff --git a/lib/python-isort.coffee b/lib/python-isort.coffee
index 8ffb600..749000a 100644
--- a/lib/python-isort.coffee
+++ b/lib/python-isort.coffee
@@ -1,4 +1,4 @@
-fs = require 'fs'
+fs = require 'fs-plus'
 $ = require 'jquery'
 process = require 'child_process'
 
@@ -9,7 +9,7 @@ class PythonIsort
     editor = atom.workspace.getActiveTextEditor()
     if not editor?
       return false
-    return editor.getGrammar().name == 'Python'
+    return editor.getGrammar().scopeName == 'source.python'
 
   removeStatusbarItem: =>
     @statusBarTile?.destroy()
@@ -44,8 +44,8 @@ class PythonIsort
     if not @checkForPythonContext()
       return
 
-    params = [@getFilePath(), "-c", "-vb"]
-    isortpath = atom.config.get "python-isort.isortPath"
+    params = ["-ns", @getFilePath(), @getFilePath(), "-c", "-vb"]
+    isortpath = fs.normalize(atom.config.get "python-isort.isortPath")
 
     which = process.spawnSync('which', ['isort']).status
     if which == 1 and not fs.existsSync(isortpath)
@@ -65,8 +65,8 @@ class PythonIsort
     if not @checkForPythonContext()
       return
 
-    params = [@getFilePath(), "-vb"]
-    isortpath = atom.config.get "python-isort.isortPath"
+    params = ["-ns", @getFilePath(), @getFilePath(), "-vb"]
+    isortpath = fs.normalize(atom.config.get "python-isort.isortPath")
 
     which = process.spawnSync('which', ['isort']).status
     if which == 1 and not fs.existsSync(isortpath)
diff --git a/package.json b/package.json
index 9c554c8..b303dde 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
     "atom": ">=0.185.0 <2.0.0"
   },
   "dependencies": {
+    "fs-plus": "^2.8.1",
     "jquery": "^2.1.4"
   }
 }