diff --git a/libs/backends/jack/jack_audiobackend.cc b/libs/backends/jack/jack_audiobackend.cc
index b414eda563..944fa4111c 100644
--- a/libs/backends/jack/jack_audiobackend.cc
+++ b/libs/backends/jack/jack_audiobackend.cc
@@ -464,8 +464,13 @@ JACKAudioBackend::setup_jack_startup_command (bool for_latency_measurement)
 	options.num_periods = 2;
 	options.input_device = _target_device;
 	options.output_device = _target_device;
-	options.input_latency = _target_systemic_input_latency;
-	options.output_latency = _target_systemic_output_latency;
+	if (for_latency_measurement) {
+		options.input_latency = 0;
+		options.output_latency = 0;
+	} else {
+		options.input_latency = _target_systemic_input_latency;
+		options.output_latency = _target_systemic_output_latency;
+	}
 	options.input_channels = _target_input_channels;
 	options.output_channels = _target_output_channels;
 	if (_target_sample_format == FormatInt16) {
@@ -483,7 +488,7 @@ JACKAudioBackend::setup_jack_startup_command (bool for_latency_measurement)
 
 	string cmdline;
 
-	if (!get_jack_command_line_string (options, cmdline, for_latency_measurement)) {
+	if (!get_jack_command_line_string (options, cmdline)) {
 		/* error, somehow - we will still try to start JACK
 		 * automatically but it will be without our preferred options
 		 */
diff --git a/libs/backends/jack/jack_utils.cc b/libs/backends/jack/jack_utils.cc
index fa8a1aee14..6fb3201c99 100644
--- a/libs/backends/jack/jack_utils.cc
+++ b/libs/backends/jack/jack_utils.cc
@@ -688,7 +688,7 @@ ARDOUR::JackCommandLineOptions::JackCommandLineOptions ()
 }
 
 bool
-ARDOUR::get_jack_command_line_string (JackCommandLineOptions& options, string& command_line, bool for_latency_measurement)
+ARDOUR::get_jack_command_line_string (JackCommandLineOptions& options, string& command_line)
 {
 	vector<string> args;
 
@@ -841,7 +841,7 @@ ARDOUR::get_jack_command_line_string (JackCommandLineOptions& options, string& c
 	args.push_back ("-p");
 	args.push_back (to_string (options.period_size, std::dec));
 
-	if (!for_latency_measurement && get_jack_audio_driver_supports_latency_adjustment (options.driver)) {
+	if (get_jack_audio_driver_supports_latency_adjustment (options.driver)) {
 		if (options.input_latency) {
 			args.push_back ("-I");
 			args.push_back (to_string (options.input_latency, std::dec));
diff --git a/libs/backends/jack/jack_utils.h b/libs/backends/jack/jack_utils.h
index ee8575c5c8..5a06fe7ad7 100644
--- a/libs/backends/jack/jack_utils.h
+++ b/libs/backends/jack/jack_utils.h
@@ -236,5 +236,5 @@ namespace ARDOUR {
 	/**
 	 * @return true if able to build a valid command line based on options
 	 */
-	bool get_jack_command_line_string (JackCommandLineOptions& options, std::string& command_line, bool for_latency_measurement);
+	bool get_jack_command_line_string (JackCommandLineOptions& options, std::string& command_line);
 }