diff --git a/common/JackAPI.cpp b/common/JackAPI.cpp
index 817267b5..5a1368e4 100644
--- a/common/JackAPI.cpp
+++ b/common/JackAPI.cpp
@@ -639,7 +639,7 @@ EXPORT jack_nframes_t jack_thread_wait(jack_client_t* ext_client, int status)
     JackClient* client = (JackClient*)ext_client;
     if (client == NULL) {
         jack_error("jack_thread_wait called with a NULL client");
-		return -1;
+		return 0;
     } else {
         return client->Wait(status);
     }
diff --git a/linux/firewire/JackFFADODriver.cpp b/linux/firewire/JackFFADODriver.cpp
index f72b6003..d3863603 100644
--- a/linux/firewire/JackFFADODriver.cpp
+++ b/linux/firewire/JackFFADODriver.cpp
@@ -272,7 +272,7 @@ JackFFADODriver::SetBufferSize (jack_nframes_t nframes)
     printError("Buffer size change requested but not supported!!!");
 
     /*
-     driver->period_size = nframes; 
+	driver->period_size = nframes; 
     driver->period_usecs =
     	(jack_time_t) floor ((((float) nframes) / driver->sample_rate)
     			     * 1000000.0f);