diff --git a/build/bakefiles/files.bkl b/build/bakefiles/files.bkl
index 1c844870cf..15a5fe9307 100644
--- a/build/bakefiles/files.bkl
+++ b/build/bakefiles/files.bkl
@@ -3377,7 +3377,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     </set>
     <set var="ADVANCED_HDR" hints="files">
         <if cond="WXUNIV=='0'">$(ADVANCED_CMN_HDR) $(ADVANCED_CMN_NATIVE_HDR) $(ADVANCED_PLATFORM_HDR) $(ADVANCED_PLATFORM_NATIVE_HDR)</if>
-        <if cond="WXUNIV=='1'">$(ADVANCED_CMN_HDR) $(ADVANCED_PLATFORM_HDR) $(ADVANCED_UNIX_HDR)</if>
+        <if cond="WXUNIV=='1'">$(ADVANCED_CMN_HDR) $(ADVANCED_PLATFORM_HDR) $(ADVANCED_UNIV_HDR)</if>
     </set>
 
     <!-- wxMedia files: -->