diff --git a/userspace/libraries/LibGUI/Window.cpp b/userspace/libraries/LibGUI/Window.cpp
index 39e2e408..d940dd9c 100644
--- a/userspace/libraries/LibGUI/Window.cpp
+++ b/userspace/libraries/LibGUI/Window.cpp
@@ -28,7 +28,7 @@ namespace LibGUI
 			return BAN::Error::from_errno(EINVAL);
 
 		BAN::Vector<uint32_t> framebuffer;
-		TRY(framebuffer.resize(width * height));
+		TRY(framebuffer.resize(width * height, 0xFF000000));
 
 		int server_fd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
 		if (server_fd == -1)
diff --git a/userspace/tests/test-window/main.cpp b/userspace/tests/test-window/main.cpp
index feae8330..ab62f722 100644
--- a/userspace/tests/test-window/main.cpp
+++ b/userspace/tests/test-window/main.cpp
@@ -10,7 +10,7 @@ void randomize_color(BAN::UniqPtr<LibGUI::Window>& window)
 	uint32_t color = ((rand() % 255) << 16) | ((rand() % 255) << 8) | ((rand() % 255) << 0);
 	for (uint32_t y = 0; y < window->height(); y++)
 		for (uint32_t x = 0; x < window->width(); x++)
-			window->set_pixel(x, y, color);
+			window->set_pixel(x, y, 0xFF000000 | color);
 	window->invalidate();
 }