diff -r 8ecef05bbada -r a44cdf4b4bf0 usbengines/usbwatcher/group/bld.inf
--- a/usbengines/usbwatcher/group/bld.inf	Fri Feb 19 23:50:32 2010 +0200
+++ b/usbengines/usbwatcher/group/bld.inf	Fri Mar 12 15:48:40 2010 +0200
@@ -47,4 +47,8 @@
 
 ../rom/mtp_symbian_temp.iby CORE_MW_LAYER_IBY_EXPORT_PATH(mtp_symbian_temp.iby)
 
+// usbacmconfiguration.hby is included by usbacm.iby to define ACM configuration
+// We use this one to overwrite the os default one
+../rom/usbacmconfiguration.hby CORE_MW_LAYER_IBY_EXPORT_PATH(usbacmconfiguration.hby)
+
 // End of file