diff --git a/etk/log.cpp b/etk/log.cpp
index 0b9901e..f62e93d 100644
--- a/etk/log.cpp
+++ b/etk/log.cpp
@@ -21,7 +21,7 @@
 	#include <cxxabi.h>
 	#include <dlfcn.h>
 	#define MAX_DEPTH  (256)
-	static void displayBacktrace(bool _breakAtEnd) {
+	void etk::log::displayBacktrace(bool _breakAtEnd) {
 		// retrieve call-stack
 		void * trace[MAX_DEPTH];
 		int stack_depth = backtrace(trace, MAX_DEPTH);
@@ -49,7 +49,7 @@
 		}
 	}
 #else
-	static void displayBacktrace(bool _breakAtEnd) {
+	void etk::log::displayBacktrace(bool _breakAtEnd) {
 		#ifdef DEBUG
 			assert(false);
 		#endif
diff --git a/etk/log.h b/etk/log.h
index 445a44e..5dd74b1 100644
--- a/etk/log.h
+++ b/etk/log.h
@@ -95,6 +95,11 @@ namespace etk {
 		void logChar1(int32_t _id, int32_t _level, const char* _log);
 		//! @previous
 		void logStream1(int32_t _id, int32_t _level, const std::ostream& _log);
+		/**
+		 * @brief Display the current backtrace
+		 * @param[in] _breakAtEnd assert program when backtrace is printed
+		 */
+		void displayBacktrace(bool _breakAtEnd = false);
 	};
 };
 #ifdef __class__