diff --git a/shaders/compute.glsl b/shaders/compute.glsl
index f99683d..22ddf59 100644
--- a/shaders/compute.glsl
+++ b/shaders/compute.glsl
@@ -205,7 +205,10 @@ void main()
 		return;
 
 	if (u_pixelisation != 1 && (uint(pixel_coords.x) % u_pixelisation != 0 || uint(pixel_coords.y) % u_pixelisation != 0))
+	{
+    	imageStore(accumulation_image, pixel_coords, vec4(0.0));
 		return;
+	}
 
 	uint rng_state = uint(u_resolution.x) * uint(pixel_coords.y) + uint(pixel_coords.x);
 	rng_state = rng_state + u_frameCount * 719393;
diff --git a/srcs/class/Window.cpp b/srcs/class/Window.cpp
index e491026..ea85dde 100644
--- a/srcs/class/Window.cpp
+++ b/srcs/class/Window.cpp
@@ -99,9 +99,9 @@ void Window::mouseButtonCallback(GLFWwindow* window, int button, int action, int
     Window* win = static_cast<Window*>(glfwGetWindowUserPointer(window));
     (void) win; (void) button; (void) mods;
 	
-    if (action == GLFW_PRESS)
+    if (action == GLFW_RELEASE)
 	{
-
+		win->_frameCount = 0;
     }
 }
 void Window::keyCallback(GLFWwindow *window, int key, int scancode, int action, int mods)
@@ -120,6 +120,8 @@ void Window::keyCallback(GLFWwindow *window, int key, int scancode, int action,
 				<< dov.x << " " << dov.y << " " << "\t"
 				<< std::endl;
 	}
+	if (action == GLFW_RELEASE)
+		win->_frameCount = 0;
 }
 
 void Window::display()