diff -Naur ntop-5.0.2-orig/globals-core.c ntop-5.0.2/globals-core.c
--- ntop-5.0.2-orig/globals-core.c	2014-05-20 09:43:55.000000000 +0200
+++ ntop-5.0.2/globals-core.c	2015-07-30 15:18:24.852651184 +0200
@@ -549,13 +549,11 @@
   ndpi_set_protocol_detection_bitmask2(myGlobals.device[deviceId].l7.l7handler, &all);
 
   if(myGlobals.runningPref.protoSpecs != NULL) {
-    if(deviceId == 0) {
       traceEvent(CONST_TRACE_INFO, "Loading nDPI protocol/port mapping from %s",
 		 myGlobals.runningPref.protoSpecs);
       
       ndpi_load_protocols_file(myGlobals.device[deviceId].l7.l7handler, 
 			       myGlobals.runningPref.protoSpecs);
-    }
   }
 }