diff --git a/libs/serialport/qserialport.pri b/libs/serialport/qserialport.pri
index 9de6a7a..1210834 100644
--- a/libs/serialport/qserialport.pri
+++ b/libs/serialport/qserialport.pri
@@ -55,4 +55,4 @@ unix:!symbian {
     }
 }
 
-HEADERS += $$PUBLIC_HEADERS $$PRIVATE_HEADERS
+HEADERS *= $$PUBLIC_HEADERS $$PRIVATE_HEADERS