diff --git a/syntax/sass.vim b/syntax/sass.vim
index c3b2e1e..a3958d9 100644
--- a/syntax/sass.vim
+++ b/syntax/sass.vim
@@ -38,7 +38,7 @@ syn region sassInterpolation matchgroup=sassInterpolationDelimiter start="#{" en
 
 syn match sassMixinName "[[:alnum:]_-]\+" contained nextgroup=sassCssAttribute
 syn match sassMixin  "^="               nextgroup=sassMixinName
-syn match sassMixin  "^\s*\zs@mixin"    nextgroup=sassMixinName skipwhite
+syn match sassMixin  "\%([{};]\s*\|^\s*\)\@<=@mixin"   nextgroup=sassMixinName skipwhite
 syn match sassMixing "^\s\+\zs+"        nextgroup=sassMixinName
 syn match sassMixing "\%([{};]\s*\|^\s*\)\@<=@include" nextgroup=sassMixinName skipwhite
 syn match sassExtend "\%([{};]\s*\|^\s*\)\@<=@extend"