diff --git a/libs/backends/portaudio/portaudio_io.cc b/libs/backends/portaudio/portaudio_io.cc
index 5739e982b6..d2d6ac4c58 100644
--- a/libs/backends/portaudio/portaudio_io.cc
+++ b/libs/backends/portaudio/portaudio_io.cc
@@ -698,7 +698,9 @@ PortAudioIO::get_input_stream_params(int device_input,
 #else
 	inputParam.sampleFormat = paFloat32 | paNonInterleaved;
 #endif
-	inputParam.suggestedLatency = nfo_in->defaultLowInputLatency;
+	if (!inputParam.suggestedLatency) {
+		inputParam.suggestedLatency = nfo_in->defaultLowInputLatency;
+	}
 	inputParam.hostApiSpecificStreamInfo = NULL;
 
 	return true;
@@ -732,7 +734,9 @@ PortAudioIO::get_output_stream_params(int device_output,
 #else
 	outputParam.sampleFormat = paFloat32 | paNonInterleaved;
 #endif
-	outputParam.suggestedLatency = nfo_out->defaultLowOutputLatency;
+	if (!outputParam.suggestedLatency) {
+		outputParam.suggestedLatency = nfo_out->defaultLowOutputLatency;
+	}
 	outputParam.hostApiSpecificStreamInfo = NULL;
 
 	return true;
@@ -742,7 +746,9 @@ PaErrorCode
 PortAudioIO::pre_stream_open(int device_input,
                              PaStreamParameters& inputParam,
                              int device_output,
-                             PaStreamParameters& outputParam)
+                             PaStreamParameters& outputParam,
+                             uint32_t sample_rate,
+                             uint32_t samples_per_period)
 {
 	if (!pa_initialize()) {
 		DEBUG_AUDIO ("PortAudio Initialization Failed\n");
@@ -758,6 +764,12 @@ PortAudioIO::pre_stream_open(int device_input,
 		return paBadIODeviceCombination;
 	}
 
+	if ((get_current_host_api_type() == paASIO) && sample_rate) {
+		outputParam.suggestedLatency = inputParam.suggestedLatency = ((double)samples_per_period / (double)sample_rate);
+	} else {
+		outputParam.suggestedLatency = inputParam.suggestedLatency = 0;
+	}
+
 	if (get_input_stream_params(device_input, inputParam)) {
 		_capture_channels = inputParam.channelCount;
 	}
@@ -790,7 +802,7 @@ PortAudioIO::open_callback_stream(int device_input,
 	PaStreamParameters outputParam;
 
 	PaErrorCode error_code =
-	    pre_stream_open(device_input, inputParam, device_output, outputParam);
+	    pre_stream_open(device_input, inputParam, device_output, outputParam, sample_rate, samples_per_period);
 
 	if (error_code != paNoError) return error_code;
 
@@ -832,7 +844,7 @@ PortAudioIO::open_blocking_stream(int device_input,
 	PaStreamParameters outputParam;
 
 	PaErrorCode error_code =
-	    pre_stream_open(device_input, inputParam, device_output, outputParam);
+	    pre_stream_open(device_input, inputParam, device_output, outputParam, sample_rate, samples_per_period);
 
 	if (error_code != paNoError) return error_code;
 
diff --git a/libs/backends/portaudio/portaudio_io.h b/libs/backends/portaudio/portaudio_io.h
index 2025320673..871cafb9c1 100644
--- a/libs/backends/portaudio/portaudio_io.h
+++ b/libs/backends/portaudio/portaudio_io.h
@@ -128,7 +128,9 @@ private: // Methods
 	PaErrorCode pre_stream_open(int device_input,
 	                          PaStreamParameters& inputParam,
 	                          int device_output,
-	                          PaStreamParameters& outputParam);
+	                          PaStreamParameters& outputParam,
+	                          uint32_t sample_rate,
+	                          uint32_t samples_per_period);
 
 	void reset_stream_dependents ();