diff --git a/include/Spectre/System/Log.h b/include/Spectre/System/Log.h
index b10bf94..26d2ac1 100644
--- a/include/Spectre/System/Log.h
+++ b/include/Spectre/System/Log.h
@@ -15,6 +15,7 @@ public :
 		T_WARNING	= 1 << 0,
 		T_CRITICAL	= 1 << 1,
 		T_ERROR		= 1 << 2,
+		T_DEBUG     = 1 << 3
 	};
 
 	static void info(const char *message, ...);
@@ -23,6 +24,8 @@ public :
 
 	static int error(const char *message, ...);
 
+	static void debug(const char *message, ...);
+
 private :
 
 	static void writeln(Type type, const char *fmt, va_list args);
diff --git a/source/System/Log.cpp b/source/System/Log.cpp
index 257351c..47a5210 100644
--- a/source/System/Log.cpp
+++ b/source/System/Log.cpp
@@ -35,6 +35,17 @@ int Log::error(const char *message, ...)
 	return 1;
 }
 
+void Log::debug(const char *message, ...)
+{
+#ifdef SPECTRE_DEBUG
+	va_list vl;
+
+	va_start(vl, message);
+	writeln(T_DEBUG, message, vl);
+	va_end(vl);
+#endif /* SPECTRE_DEBUG */
+}
+
 void Log::writeln(Type type, const char *message, va_list args)
 {
 	FILE *fd = stderr;
@@ -52,8 +63,12 @@ void Log::writeln(Type type, const char *message, va_list args)
 	case T_CRITICAL:
 		prefix = "CRIT";
 		break;
-	default :
-	case T_ERROR :
+#ifdef SPECTRE_DEBUG
+	case T_DEBUG:
+		prefix = "DEBUG";
+		break;
+#endif /* SPECTRE_DEBUG */
+	case T_ERROR : 	default :
 		prefix = "ERROR";
 		break;
 	}