diff --git a/platformio.ini b/platformio.ini
index 9f5120e..84a3852 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -22,6 +22,7 @@ check_src_filters =
 check_flags =
     clangtidy: --header-filter='' --checks=-*,clang-analyzer-*,performance-*,portability-*,readability-uppercase-literal-suffix,readability-redundant-control-flow --warnings-as-errors=-*,clang-analyzer-*,performance-*,portability-*,readability-uppercase-literal-suffix,readability-redundant-control-flow
 check_skip_packages = yes
+debug_test = test_SerialMuxProt
 
 [env:esp32dev]
 platform = espressif32