diff --git a/libc3/window/sdl2/gl_camera.c b/libc3/window/sdl2/gl_camera.c
index 0d040df..0021b76 100644
--- a/libc3/window/sdl2/gl_camera.c
+++ b/libc3/window/sdl2/gl_camera.c
@@ -15,7 +15,7 @@
#include "gl_camera.h"
#include "gl_matrix_4d.h"
-static const s8 * g_gl_camera_vertex_shader_src = "#version 460 core\n"
+static const s8 * g_gl_camera_vertex_shader_src = "#version 330 core\n"
"layout (location = 0) in dvec3 aPos;\n"
"uniform dmat4 matrix;\n"
"\n"
diff --git a/libc3/window/sdl2/gl_ortho.c b/libc3/window/sdl2/gl_ortho.c
index f9c3870..8574398 100644
--- a/libc3/window/sdl2/gl_ortho.c
+++ b/libc3/window/sdl2/gl_ortho.c
@@ -15,7 +15,7 @@
#include "gl_ortho.h"
#include "gl_matrix_4d.h"
-static const s8 * g_gl_ortho_vertex_shader_src = "#version 460 core\n"
+static const s8 * g_gl_ortho_vertex_shader_src = "#version 330 core\n"
"layout (location = 0) in dvec3 aPos;\n"
"layout (location = 1) in dvec3 aNorm;\n"
"layout (location = 2) in dvec2 aTexCoord;\n"