diff --git a/syntax/python.vim b/syntax/python.vim
index f80f848..ed09a80 100644
--- a/syntax/python.vim
+++ b/syntax/python.vim
@@ -222,9 +222,9 @@ syn match OptionalParameters /\i*\ze=/ display contained
 
 syn match   pythonDecorator	"@" display nextgroup=pythonDottedName skipwhite
 if s:Python2Syntax()
-  syn match   pythonDottedName "[a-zA-Z_][a-zA-Z0-9_]*\%(\.[a-zA-Z_][a-zA-Z0-9_]*\)*" display contained
+  syn match   pythonDottedName "[a-zA-Z_][a-zA-Z0-9_]*\%(\.[a-zA-Z_][a-zA-Z0-9_]*\)*" display contained nextgroup=FunctionParameters
 else
-  syn match   pythonDottedName "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\)*" display contained
+  syn match   pythonDottedName "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\)*" display contained nextgroup=FunctionParameters
 endif
 syn match   pythonDot        "\." display containedin=pythonDottedName