diff --git a/st_cc.py b/st_cc.py
index 02fcaa0..d91dccc 100644
--- a/st_cc.py
+++ b/st_cc.py
@@ -7,7 +7,13 @@
 from .cc import *
 
 
-language_regex = re.compile("(?<=source\.)[\w+#]+")
+files = {
+  ".c" : "c",
+  ".cpp" : "c++",
+  ".m" : "objc",
+  ".mm" : "objc++",
+}
+
 drivers = {
   "c++": "-xc++",
   "c": "-xc",
@@ -21,16 +27,15 @@ def get_unsaved_files(view):
       buffer = [(view.file_name(), view.substr(sublime.Region(0, view.size())))]
   return buffer
 
-def get_language(view):
-  caret = view.sel()[0].a
-  language = language_regex.search(view.scope_name(caret))
-  if language != None:
-    language = language.group(0)
+def get_language():
+  filename = sublime.active_window().active_view().file_name()
+  filename, file_extension = os.path.splitext(filename)
+  language = files[file_extension]
   return language
 
 
-def can_complete(view):
-  language = get_language(view)
+def can_complete():
+  language = get_language()
   return language in drivers
 
 
@@ -156,7 +161,7 @@ def get_settings():
   def get_opt(view):
     settings = Complete.get_settings()
     additional_lang_opts = settings.get("additional_language_options", {})
-    language = get_language(view)
+    language = get_language()
     include_opts = settings.get("include_options", [])
     project_data = sublime.active_window().project_data()
     if "cc_include_options" in project_data:
@@ -218,7 +223,7 @@ def is_member_completion(view):
 
 class ClangClean(sublime_plugin.TextCommand):
   def run(self, edit):
-    if not can_complete(self.view):
+    if not can_complete():
       return
 
     Complete.clean()
@@ -226,7 +231,7 @@ def run(self, edit):
 
 class ClangGotoDef(sublime_plugin.TextCommand):
   def run(self, edit):
-    if not can_complete(self.view):
+    if not can_complete():
       return
 
     filename = self.view.file_name()
@@ -249,7 +254,7 @@ class CCAutoComplete(sublime_plugin.EventListener):
 
   def on_modified(self, view):
     self.dirty = True
-    if can_complete(view) and Complete.is_member_completion(view):
+    if can_complete() and Complete.is_member_completion(view):
       self.per_complete()
 
 
@@ -265,7 +270,7 @@ def hack2():
 
 
   def on_post_save_async(self, view):
-    if not can_complete(view):
+    if not can_complete():
       return 
 
     settings = Complete.get_settings()
@@ -297,7 +302,7 @@ def on_query_completions(self, view, prefix, locations):
 
     file_name = view.file_name()
 
-    if not can_complete(view) or file_name==None:
+    if not can_complete() or file_name==None:
       return
 
     # flag = sublime.INHIBIT_WORD_COMPLETIONS | sublime.INHIBIT_EXPLICIT_COMPLETIONS