diff --git a/include/sta/debug_serial.hpp b/include/sta/debug_serial.hpp
index 8bf151e..90e4053 100644
--- a/include/sta/debug_serial.hpp
+++ b/include/sta/debug_serial.hpp
@@ -3,9 +3,9 @@
  *
  * Configuration:
  *     STA_DEBUG_SERIAL_ENABLE:     Enable module
- *     STA_DEBUG_SERIAL_DISABLE:    Forces module off when defined
- *     DEBUG:                       Automatically enables module when defined
- *     NDEBUG:                      Forces module off when defined
+ *     STA_DEBUG_SERIAL_FORCE:      Ignore debug defines and always enable output
+ *     DEBUG:                       Enables output when defined
+ *     NDEBUG:                      Disables output when defined (overrides DEBUG)
  *
  * The `sta::DebugSerial` instance must be provided.
  * NOTE: Include this header before the definition because
@@ -17,17 +17,15 @@
 
 #include <sta/config.hpp>
 
-#ifdef DEBUG
-#  ifndef STA_DEBUG_SERIAL_ENABLE
-#    define STA_DEBUG_SERIAL_ENABLE
-#  endif // !STA_DEBUG_SERIAL_ENABLE
-#endif // DEBUG
-
-#if defined(NDEBUG) || defined(STA_DEBUG_SERIAL_DISABLE)
-#  ifdef STA_DEBUG_SERIAL_ENABLE
-#    undef STA_DEBUG_SERIAL_ENABLE
-#  endif // STA_DEBUG_SERIAL_ENABLE
-#endif // NDEBUG || STA_DEBUG_SERIAL_DISABLE
+// Check only if STA_DEBUG_SERIAL_FORCE is not defined
+#ifndef STA_DEBUG_SERIAL_FORCE
+// Disable module if NDEBUG is defined or DEBUG is not
+#  if defined(NDEBUG) || !defined(DEBUG)
+#    ifdef STA_DEBUG_SERIAL_ENABLE
+#      undef STA_DEBUG_SERIAL_ENABLE
+#    endif // STA_DEBUG_SERIAL_ENABLE
+#  endif // NDEBUG || !DEBUG
+#endif // !STA_DEBUG_SERIAL_FORCE
 
 
 #ifdef STA_DEBUG_SERIAL_ENABLE