diff --git a/src/gui/MainWindow.cpp b/src/gui/MainWindow.cpp
index eaa8b07..dd15872 100644
--- a/src/gui/MainWindow.cpp
+++ b/src/gui/MainWindow.cpp
@@ -24,11 +24,10 @@ Window::Window(unsigned int w, unsigned int h) {
 }
 
 void framebuffer_size_callback(GLFWwindow* window, int w, int h) {
-  // This function is called by glfw when the window is reized.
+  // This function is called by glfw when the window is resized.
   glViewport(0 , 0, w, h);
   Window* newWin = reinterpret_cast<Window*>(glfwGetWindowUserPointer(window));
   newWin->resize(w, h);
-
 }
 
 int Window::init(float* data) {
@@ -48,6 +47,7 @@ int Window::init(float* data) {
   }
 
 	glfwMakeContextCurrent(this->window);
+	glfwSetWindowUserPointer(this->window, reinterpret_cast<void*>(this));
 
   // init glad(opengl)
   if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
diff --git a/src/main.cu b/src/main.cu
index 39e5c49..6127861 100644
--- a/src/main.cu
+++ b/src/main.cu
@@ -15,16 +15,11 @@
 
 static float* d_volume = nullptr;
 
-// FIXME: segfaults on window resize - the problem is _not_ in the raycasting function
-
 // TODO: general
-// * very similarly - actual code for loading new data as the simulation progresses - right now its effectively a static image loader * pause button once that dataloading is implemented 
-
+// * actual code for loading new data as the simulation progresses - right now its effectively a static image loader
 // * save frames to file while running program -> then export to gif on close.
 // * time controls - arbitrary skipping to specified point (would require some changes to gpubuffer) (could have)
 
-// * transfer function -> move the code in raycastkernel to its own class and add silhouette detection here as well.
-
 void getTemperature(std::vector<float>& temperatureData, int idx = 0) {
     std::string path = "data/trimmed";
     // std::string path = "data";