diff --git a/platforms/posix/src/px4/common/px4_daemon/client.cpp b/platforms/posix/src/px4/common/px4_daemon/client.cpp
index 08b4dac515..b0a27c949c 100644
--- a/platforms/posix/src/px4/common/px4_daemon/client.cpp
+++ b/platforms/posix/src/px4/common/px4_daemon/client.cpp
@@ -225,7 +225,10 @@ Client::process_args(const int argc, const char **argv)
 		std::thread(stdin_forward_loop, _fd).detach();
 
 	} catch (const std::system_error &) {
-		// Non-fatal: stdin relay was best-effort.
+		// intentionally swallowed: stdin relay is best-effort. If the OS cannot
+		// spawn the helper thread, interactive commands lose keystroke
+		// forwarding but the command itself still runs to completion.
+		(void)0;
 	}
 
 	return _listen();