diff --git a/libs/backends/portaudio/portaudio_io.cc b/libs/backends/portaudio/portaudio_io.cc
index 51b03cd691..419c0b0263 100644
--- a/libs/backends/portaudio/portaudio_io.cc
+++ b/libs/backends/portaudio/portaudio_io.cc
@@ -528,6 +528,16 @@ PortAudioIO::discover()
 	add_devices ();
 }
 
+void
+PortAudioIO::reset_stream_dependents ()
+{
+	_capture_channels = 0;
+	_playback_channels = 0;
+	_cur_sample_rate = 0;
+	_cur_input_latency = 0;
+	_cur_output_latency = 0;
+}
+
 void
 PortAudioIO::pcm_stop ()
 {
@@ -536,11 +546,7 @@ PortAudioIO::pcm_stop ()
 	}
 	_stream = NULL;
 
-	_capture_channels = 0;
-	_playback_channels = 0;
-	_cur_sample_rate = 0;
-	_cur_input_latency = 0;
-	_cur_output_latency = 0;
+	reset_stream_dependents();
 
 	free (_input_buffer); _input_buffer = NULL;
 	free (_output_buffer); _output_buffer = NULL;
@@ -689,11 +695,7 @@ PortAudioIO::pcm_setup (
 		return -1;
 	}
 
-	_capture_channels = 0;
-	_playback_channels = 0;
-	_cur_sample_rate = 0;
-	_cur_input_latency = 0;
-	_cur_output_latency = 0;
+	reset_stream_dependents ();
 
 	DEBUG_AUDIO (string_compose (
 	    "PortAudio Device IDs: i:%1 o:%2\n", device_input, device_output));
diff --git a/libs/backends/portaudio/portaudio_io.h b/libs/backends/portaudio/portaudio_io.h
index 7e903d4472..661c6a07bb 100644
--- a/libs/backends/portaudio/portaudio_io.h
+++ b/libs/backends/portaudio/portaudio_io.h
@@ -114,6 +114,8 @@ private: // Methods
 	bool set_sample_rate_and_latency_from_stream();
 	bool allocate_buffers_for_blocking_api (uint32_t samples_per_period);
 
+	void reset_stream_dependents ();
+
 	static void get_default_sample_rates(std::vector<float>&);
 	static void get_default_buffer_sizes(std::vector<uint32_t>&);