diff --git a/styles/vulcan.xml b/styles/vulcan.xml
index 41996ff76..4e690945e 100644
--- a/styles/vulcan.xml
+++ b/styles/vulcan.xml
@@ -1,7 +1,7 @@
 <style name="vulcan">
   <entry type="Other" style="#c9c9c9"/>
   <entry type="Error" style="#cf5967"/>
-  <entry type="Background" style="#282c34"/>
+  <entry type="Background" style="bg:#282c34"/>
   <entry type="Keyword" style="#7fbaf5"/>
   <entry type="KeywordConstant" style="#cf5967 bg:#43454f"/>
   <entry type="KeywordDeclaration" style="#7fbaf5"/>
@@ -71,4 +71,4 @@
   <entry type="GenericUnderline" style="underline"/>
   <entry type="Text" style="#c9c9c9"/>
   <entry type="TextWhitespace" style="#c9c9c9"/>
-</style>
\ No newline at end of file
+</style>