diff --git a/x11/driver/xorg-input-aiptek/pspec.xml b/x11/driver/xorg-input-aiptek/pspec.xml
index 8661bedd4b..2b305a1fee 100644
--- a/x11/driver/xorg-input-aiptek/pspec.xml
+++ b/x11/driver/xorg-input-aiptek/pspec.xml
@@ -18,6 +18,7 @@
             <Dependency>libX11-devel</Dependency>
             <Dependency>libmtdev-devel</Dependency>
             <Dependency>util-macros</Dependency>
+            <Dependency>xorg-proto</Dependency>
         </BuildDependencies>   
     </Source>