diff --git a/src/Backends/Rendering/OpenGL3.cpp b/src/Backends/Rendering/OpenGL3.cpp
index 2c6fd63b..1891f043 100644
--- a/src/Backends/Rendering/OpenGL3.cpp
+++ b/src/Backends/Rendering/OpenGL3.cpp
@@ -532,6 +532,8 @@ Backend_Surface* Backend_Init(SDL_Window *p_window)
 
 void Backend_Deinit(void)
 {
+	free(vertex_buffer);
+
 	glDeleteTextures(1, &framebuffer.texture_id);
 	glDeleteFramebuffers(1, &framebuffer_id);
 	glDeleteProgram(program_glyph_subpixel_part2);