diff --git a/src/gfx2d/Sprite2D.zig b/src/gfx2d/Sprite2D.zig
index bc8175f8..1629a4d2 100644
--- a/src/gfx2d/Sprite2D.zig
+++ b/src/gfx2d/Sprite2D.zig
@@ -5,7 +5,7 @@ const ecs = @import("ecs");
 const Engine = @import("../engine.zig").Engine;
 const mach = @import("../main.zig");
 
-const math = @import("../math.zig");
+const math = mach.math;
 const mat = math.mat;
 const Vec2 = math.Vec2;
 const Vec3 = math.Vec3;
diff --git a/src/math/mat.zig b/src/math/mat.zig
index ec304990..9d5a73fb 100644
--- a/src/math/mat.zig
+++ b/src/math/mat.zig
@@ -377,7 +377,7 @@ test "mat4x4_ident" {
             math.Vec4.init(1, 0, 0, 0),
             math.Vec4.init(0, 1, 0, 0),
             math.Vec4.init(0, 0, 1, 0),
-            math.Vec4.init(0, 0, 1, 1),
+            math.Vec4.init(0, 0, 0, 1),
         },
     });
 }