diff --git a/CMakeLists.txt b/CMakeLists.txt
index ad48347e..285fa40d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,7 @@ add_test(NAME 001_highsnr_stdio
          COMMAND sh -c "export LD_LIBRARY_PATH=${CODEC2_BUILD_DIR}/src;
                         PATH=$PATH:${CODEC2_BUILD_DIR}/src;
                         cd ${CMAKE_CURRENT_SOURCE_DIR}/test/001_highsnr_stdio_audio;
-                        python3 test_tx.py --mode 14 --delay 500 --frames 3 --bursts 1 |
+                        python3 test_tx.py --mode 14 --delay 500 --framesperburst 3 --bursts 1 |
                         freedv_data_raw_rx datac0 - - --framesperburst 3 | hexdump -C")
         set_tests_properties(001_highsnr_stdio PROPERTIES PASS_REGULAR_EXPRESSION "HELLO WORLD")