diff --git a/platformio_tasmota_cenv_sample.ini b/platformio_tasmota_cenv_sample.ini
index d6816bccd..269445048 100644
--- a/platformio_tasmota_cenv_sample.ini
+++ b/platformio_tasmota_cenv_sample.ini
@@ -52,6 +52,7 @@ platform_packages           = framework-arduinoespressif32 @ https://github.com/
 build_unflags               = ${esp32_defaults.build_unflags}
                               -Wswitch-unreachable
                               -mtarget-align
+                              -DNDEBUG
 build_flags                 = ${esp32_defaults.build_flags}
                               -Wno-switch-unreachable
                               ;-DESP32_STAGE=true