diff --git a/data/themerc.xsd b/data/themerc.xsd
index 209d52ac..45f6e46b 100644
--- a/data/themerc.xsd
+++ b/data/themerc.xsd
@@ -116,7 +116,7 @@
 
   <xs:complexType name="window">
     <xs:all>
-      <xs:element name="border" type="obt:border" minOccurs="0"/>
+      <xs:element name="border" type="obt:color" minOccurs="0"/>
       <xs:element name="clientpadding" type="obt:color" minOccurs="0"/>
       <xs:element name="titlebar" type="obt:area" minOccurs="0"/>
       <xs:element name="label" type="obt:textarea" minOccurs="0"/>