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-rw-r--r--host/examples/replay_samples_from_file.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/host/examples/replay_samples_from_file.cpp b/host/examples/replay_samples_from_file.cpp
index 9bd805ed8..1c0de27ba 100644
--- a/host/examples/replay_samples_from_file.cpp
+++ b/host/examples/replay_samples_from_file.cpp
@@ -123,8 +123,10 @@ int UHD_SAFE_MAIN(int argc, char* argv[])
// Configure radio
// Lock clocks
- radio_ctrl->set_clock_source(ref);
-
+ if (vm.count("ref")) {
+ radio_ctrl->set_clock_source(ref);
+ }
+
// Apply any radio arguments provided
radio_ctrl->set_args(radio_args);