diff --git a/src/Arduino_DebugUtils.cpp b/src/Arduino_DebugUtils.cpp
index 333765d..8c48aee 100644
--- a/src/Arduino_DebugUtils.cpp
+++ b/src/Arduino_DebugUtils.cpp
@@ -93,3 +93,4 @@ void Arduino_DebugUtils::vPrint(char const * fmt, va_list args) {
  ******************************************************************************/
 
 Arduino_DebugUtils Debug;
+void setDebugMessageLevel(int const debug_level) { Debug.setDebugLevel(debug_level); }
\ No newline at end of file
diff --git a/src/Arduino_DebugUtils.h b/src/Arduino_DebugUtils.h
index 01ea362..77bfe45 100644
--- a/src/Arduino_DebugUtils.h
+++ b/src/Arduino_DebugUtils.h
@@ -37,6 +37,8 @@ static int const DBG_INFO    =  2;
 static int const DBG_DEBUG   =  3;
 static int const DBG_VERBOSE =  4;
 
+void setDebugMessageLevel(int const debug_level);
+
 /******************************************************************************
    CLASS DECLARATION
  ******************************************************************************/
@@ -48,6 +50,7 @@ class Arduino_DebugUtils {
     Arduino_DebugUtils();
 
     void setDebugLevel(int const debug_level);
+
     void setDebugOutputStream(Stream * stream);
 
     void timestampOn();