diff --git a/common/JackNetIOAdapter.cpp b/common/JackNetIOAdapter.cpp
index 44a6d33d..902c0ba4 100644
--- a/common/JackNetIOAdapter.cpp
+++ b/common/JackNetIOAdapter.cpp
@@ -94,13 +94,13 @@ JackNetIOAdapter::JackNetIOAdapter(jack_client_t* jack_client,
     fIOAdapter->SetRingBuffers(fCaptureRingBuffer, fPlaybackRingBuffer);
   
     for (i = 0; i < fCaptureChannels; i++) {
-        sprintf(name, "in_%d", i+1);
+        sprintf(name, "capture_%d", i+1);
         if ((fCapturePortList[i] = jack_port_register(fJackClient, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0)) == NULL) 
             goto fail;
     }
     
     for (i = 0; i < fPlaybackChannels; i++) {
-        sprintf(name, "out_%d", i+1);
+        sprintf(name, "playback_%d", i+1);
         if ((fPlaybackPortList[i] = jack_port_register(fJackClient, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0)) == NULL) 
             goto fail;
     }
diff --git a/common/wscript b/common/wscript
index 357359f3..94ed3c51 100644
--- a/common/wscript
+++ b/common/wscript
@@ -154,6 +154,7 @@ def build(bld):
         serverlib.env.append_value("CPPFLAGS", "-mmacosx-version-min=10.4 -arch i386 -arch ppc")
         #serverlib.env.append_value("LINKFLAGS", "-framework CoreAudio -framework vecLib -single_module -arch i386 -arch ppc")
         serverlib.env.append_value("LINKFLAGS", "-framework CoreAudio -framework vecLib -single_module")
+	serverlib.env.append_value("LINKFLAGS", "-compatibility_version 1 -current_version 1")
 
     clientlib = bld.create_obj('cpp', 'shlib')
     clientlib.features.append('cc')
@@ -189,6 +190,7 @@ def build(bld):
         clientlib.env.append_value("CPPFLAGS", "-mmacosx-version-min=10.4 -arch i386 -arch ppc")
         #clientlib.env.append_value("LINKFLAGS", "-framework CoreAudio -framework vecLib -single_module -arch i386 -arch ppc")
 	clientlib.env.append_value("LINKFLAGS", "-framework CoreAudio -framework vecLib -single_module")
+        clientlib.env.append_value("LINKFLAGS", "-compatibility_version 1 -current_version 1")
 
     create_jack_process_obj(bld, 'netmanager', 'JackNetManager.cpp', serverlib)