diff --git a/python/completers/completer.py b/python/completers/completer.py
index fbdcf67e..f96aed49 100644
--- a/python/completers/completer.py
+++ b/python/completers/completer.py
@@ -134,7 +134,7 @@ class Completer( object ):
     if not line_length or start_column - 1 >= line_length:
       return False
 
-    filetype = vimsupport.CurrentFiletypes()[ 0 ]
+    filetype = self._CurrentFiletype()
     triggers = self.triggers_for_filetype[ filetype ]
 
     for trigger in triggers:
@@ -266,6 +266,17 @@ class Completer( object ):
     return False
 
 
+  def _CurrentFiletype( self ):
+    filetypes = vimsupport.CurrentFiletypes()
+    supported = self.SupportedFiletypes()
+
+    for filetype in filetypes:
+      if filetype in supported:
+        return filetype
+
+    return filetypes[0]
+
+
   @abc.abstractmethod
   def SupportedFiletypes( self ):
     pass
diff --git a/python/completers/cpp/clang_completer.py b/python/completers/cpp/clang_completer.py
index 456f80e3..4fc93a1c 100644
--- a/python/completers/cpp/clang_completer.py
+++ b/python/completers/cpp/clang_completer.py
@@ -246,5 +246,9 @@ def DiagnosticsToDiagStructure( diagnostics ):
 
 
 def ClangAvailableForBuffer( buffer_object ):
-  filetype = vim.eval( 'getbufvar({0}, "&ft")'.format( buffer_object.number ) )
-  return filetype in CLANG_FILETYPES
+  filetypes = vim.eval( 'getbufvar({0}, "&ft")'.format( buffer_object.number ) )
+  supported_fts = [ft for ft in filetypes.split('.') if ft in CLANG_FILETYPES]
+  if supported_fts:
+    return True
+  else:
+    return False
diff --git a/python/ycm.py b/python/ycm.py
index f39ee81a..e027a86c 100644
--- a/python/ycm.py
+++ b/python/ycm.py
@@ -60,11 +60,19 @@ class YouCompleteMe( object ):
   def GetFiletypeCompleter( self ):
     filetypes = vimsupport.CurrentFiletypes()
 
-    for filetype in filetypes:
-      completer = self.GetFiletypeCompleterForFiletype( filetype )
-      if completer:
+    completers = [self.GetFiletypeCompleterForFiletype( filetype )
+        for filetype in filetypes ]
+
+    if not completers:
+      return None
+
+    # Try to find a native completer first
+    for completer in completers:
+      if completer and completer is not self.omnicomp:
         return completer
-    return None
+
+    # Return the omni completer for the first filetype
+    return completers[0]
 
 
   def GetFiletypeCompleterForFiletype( self, filetype ):