diff --git a/include/debug.hpp b/include/debug.hpp
index 6edf18d..4504ece 100644
--- a/include/debug.hpp
+++ b/include/debug.hpp
@@ -2,6 +2,8 @@
 
 #include <cstdint>
 
+#include <mtl/string_view.hpp>
+
 namespace debug {
 enum level {
 	fatal = 0,
@@ -11,7 +13,7 @@ enum level {
 	debug = 4,
 };
 
-void puts(const char* msg, level lvl = level::info );
+void puts(const mtl::string_view& msg, level lvl = level::info );
 
 bool open();
 void close();
diff --git a/src/debug.cpp b/src/debug.cpp
index 5330d9e..7f81974 100644
--- a/src/debug.cpp
+++ b/src/debug.cpp
@@ -7,6 +7,7 @@
 #include <tonc.h>
 
 #include <mtl/string.hpp>
+#include <mtl/string_view.hpp>
 
 namespace debug {
 /**
@@ -33,10 +34,9 @@ static volatile uint16_t& flags = *reinterpret_cast<uint16_t*>(0x4FFF700);
 static mtl::string_ext string(reinterpret_cast<char*>(0x4FFF600), 256);
 }; // namespace reg
 
-
-void puts(const char* msg, level lvl) {
+void puts(const mtl::string_view& msg, level lvl) {
 	reg::string = msg;
-	reg::flags = (lvl) | 0x100;
+	reg::flags = lvl | 0x100;
 }
 
 bool open() {