diff --git a/lib/zgl b/lib/zgl
index 32608da..9fc2524 160000
--- a/lib/zgl
+++ b/lib/zgl
@@ -1 +1 @@
-Subproject commit 32608da70ca057ec09438dbf6549834dcfbeb52c
+Subproject commit 9fc2524bbf2e1172a5cb218eca37dc99930a31db
diff --git a/lib/zlm b/lib/zlm
index e9da7f0..dff2959 160000
--- a/lib/zlm
+++ b/lib/zlm
@@ -1 +1 @@
-Subproject commit e9da7f084055eb3fab0454ef4d5db0a103ff96df
+Subproject commit dff2959b5fff0aa7697fdf1a2843a15210aab695
diff --git a/src/Game/Renderer.zig b/src/Game/Renderer.zig
index ac60e35..78a4e0a 100644
--- a/src/Game/Renderer.zig
+++ b/src/Game/Renderer.zig
@@ -18,7 +18,7 @@ grid_pos_y: i32,
 pub fn init(renderer: *Renderer) Self {
     var wsize = renderer.getOutputSize();
 
-    const grid_cell_size = @divFloor(@minimum(wsize.width, wsize.height), 32);
+    const grid_cell_size = @divFloor(@min(wsize.width, wsize.height), 32);
     const grid_pos_x = @divFloor(wsize.width, 2) - (grid_cell_size * @divFloor(Grid.ncolumns, 2));
     const grid_pos_y = @divFloor(wsize.height, 2) - (grid_cell_size * @divFloor(Grid.nrows + Grid.buffer, 2));
     return Self{
diff --git a/src/Renderer.zig b/src/Renderer.zig
index f1d740b..ebef8b0 100644
--- a/src/Renderer.zig
+++ b/src/Renderer.zig
@@ -20,6 +20,12 @@ vbo_index: usize = 0,
 
 const max_objects: usize = 16384;
 
+fn glGetProcAddress(p: []const u8, proc: [:0]const u8) ?*const anyopaque {
+    _ = p;
+    return sdl.c.SDL_GL_GetProcAddress(@ptrCast([*c]const u8, proc));
+}
+
+
 pub fn init() !Self {
     try sdl.init(.{ .video = true, .audio = true, .events = true });
 
@@ -42,6 +48,10 @@ pub fn init() !Self {
         std.debug.print("WARNING: Unable to configure the swap interval.\n", .{});
     };
 
+    const proc: []const u8 = undefined;
+    try gl.loadExtensions(proc, glGetProcAddress);
+
+
     // Shader stuff
     var mvp_loc: u32 = undefined;
     //var color_loc: u32 = undefined;