diff --git a/renderer/rsdl/source/gameengine_rsdl/package.d b/renderer/rsdl/source/gameengine_rsdl/package.d
index f12b438..eff922c 100644
--- a/renderer/rsdl/source/gameengine_rsdl/package.d
+++ b/renderer/rsdl/source/gameengine_rsdl/package.d
@@ -6,16 +6,19 @@ import gameengine.math.types;
 import std.exception;
 import std.format;
 
+import std.string : toStringz;
+
 class RSDL : Renderer {
-	this(char* title, IntVec2 size) {
+	this(string title, IntVec2 size) {
 		const SDLSupport ret = loadSDL();
 		if(ret != sdlSupport) {
-			throw new Exception("Couldn't load SDL");
+			throw new Exception("Couldn't load SDL library!");
 		}
 
 		SDL_Init(SDL_INIT_VIDEO);
 
-		window = SDL_CreateWindow(title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, size.x, size.y, SDL_WINDOW_RESIZABLE);
+		window = SDL_CreateWindow(cast(char*)toStringz(title), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
+									size.x, size.y, SDL_WINDOW_RESIZABLE);
 
 		if (window is null) {
 			string error = format("Couldn't create window! what: %d", SDL_GetError());
diff --git a/test/source/app.d b/test/source/app.d
index 67033f9..0f9ac85 100644
--- a/test/source/app.d
+++ b/test/source/app.d
@@ -6,10 +6,9 @@ import gameengine.renderer.renderer;
 import gameengine_rsdl;
 
 import core.thread;
-import std.string : toStringz;
 
 void main() {
-	Renderer renderer = new RSDL(cast(char*)toStringz("test".dup), IntVec2(800, 600));
+	Renderer renderer = new RSDL("test", IntVec2(800, 600));
 	Engine engine = new Engine(renderer);
 
 	while (true) {