diff --git a/crates/bevy_render/src/camera/projection.rs b/crates/bevy_render/src/camera/projection.rs
index 2da70c253c..3e35afdfcc 100644
--- a/crates/bevy_render/src/camera/projection.rs
+++ b/crates/bevy_render/src/camera/projection.rs
@@ -55,7 +55,7 @@ pub struct OrthographicProjection {
 
 impl CameraProjection for OrthographicProjection {
     fn get_view_matrix(&self) -> Mat4 {
-        let projection = Mat4::orthographic_rh_gl(
+        let projection = Mat4::orthographic_rh(
             self.left,
             self.right,
             self.bottom,
@@ -92,8 +92,8 @@ impl Default for OrthographicProjection {
             right: 0.0,
             bottom: 0.0,
             top: 0.0,
-            near: 0.0,
-            far: 1.0,
+            near: -1.0,
+            far: 0.1,
             window_origin: WindowOrigin::Center,
         }
     }
diff --git a/crates/bevy_sprite/src/render/sprite.vert b/crates/bevy_sprite/src/render/sprite.vert
index e77712518b..767fefd810 100644
--- a/crates/bevy_sprite/src/render/sprite.vert
+++ b/crates/bevy_sprite/src/render/sprite.vert
@@ -19,6 +19,6 @@ layout(set = 1, binding = 0) uniform Quad {
 void main() {
     v_Uv = Vertex_Uv;
     vec3 position = Vertex_Position * vec3(Quad_Size, 0.0);
-    position = position + vec3(Quad_Position, -Quad_ZIndex);
+    position = position + vec3(Quad_Position, Quad_ZIndex);
     gl_Position = ViewProj * vec4(position, 1.0);
 }
\ No newline at end of file
diff --git a/crates/bevy_ui/src/render/ui.vert b/crates/bevy_ui/src/render/ui.vert
index c2c269cbb6..5112b23c07 100644
--- a/crates/bevy_ui/src/render/ui.vert
+++ b/crates/bevy_ui/src/render/ui.vert
@@ -19,6 +19,6 @@ layout(set = 1, binding = 0) uniform Quad {
 void main() {
     v_Uv = Vertex_Uv;
     vec3 position = Vertex_Position * vec3(Quad_Size, 0.0);
-    position = position + vec3(Quad_Position, -Quad_ZIndex);
+    position = position + vec3(Quad_Position, Quad_ZIndex);
     gl_Position = ViewProj * vec4(position, 1.0);
 }
\ No newline at end of file
diff --git a/crates/bevy_ui/src/ui_update_system.rs b/crates/bevy_ui/src/ui_update_system.rs
index 46532a25ed..5866534b7a 100644
--- a/crates/bevy_ui/src/ui_update_system.rs
+++ b/crates/bevy_ui/src/ui_update_system.rs
@@ -20,7 +20,7 @@ pub fn ui_update_system() -> Box<dyn Schedulable> {
                 let mut window_quad = Quad {
                     size: Vec2::new(window.width as f32, window.height as f32),
                     position: Vec2::new(0.0, 0.0),
-                    z_index: 0.9999,
+                    z_index: 0.0,
                 };
                 for entity in node_query
                     .iter_entities(world)
@@ -57,7 +57,7 @@ fn update_node_entity(world: &mut SubWorld, entity: Entity, parent_quad: Quad) -
                 return Some(Quad {
                     size: quad.size,
                     position: quad.position - quad.size / 2.0,
-                    z_index: quad.z_index - UI_Z_STEP,
+                    z_index: quad.z_index + UI_Z_STEP,
                 });
             }
         }
@@ -69,6 +69,6 @@ fn update_node_entity(world: &mut SubWorld, entity: Entity, parent_quad: Quad) -
 fn process_child_result(_parent_result: Quad, child_result: Quad) -> Quad {
     // "earlier" children are sorted behind "later" children
     let mut result = child_result.clone();
-    result.z_index -= UI_Z_STEP;
+    result.z_index += UI_Z_STEP;
     result
 }
diff --git a/examples/2d/sprite.rs b/examples/2d/sprite.rs
index 1b25261b83..7ec836092e 100644
--- a/examples/2d/sprite.rs
+++ b/examples/2d/sprite.rs
@@ -17,10 +17,6 @@ fn setup(
         .build()
         .add_entity(OrthographicCameraEntity::default())
         .add_entity(SpriteEntity {
-            quad: Quad {
-                z_index: 0.5,
-                ..Default::default()
-            },
             material: materials.add(texture_handle.into()),
             ..Default::default()
         });
diff --git a/examples/2d/sprite_sheet.rs b/examples/2d/sprite_sheet.rs
index 368b5ff867..2c1029dc8e 100644
--- a/examples/2d/sprite_sheet.rs
+++ b/examples/2d/sprite_sheet.rs
@@ -42,7 +42,7 @@ fn setup(
             sprite: SpriteSheetSprite {
                 index: 0,
                 scale: 6.0,
-                position: Vec3::new(0.0, 0.0, -0.5),
+                position: Vec3::new(0.0, 0.0, 0.0),
             },
             ..Default::default()
         })