diff --git a/egui_plot/src/items/mod.rs b/egui_plot/src/items/mod.rs
index 6253601..4dfaa29 100644
--- a/egui_plot/src/items/mod.rs
+++ b/egui_plot/src/items/mod.rs
@@ -531,32 +531,39 @@ impl PlotItem for Line<'_> {
             let y = transform
                 .position_from_point(&PlotPoint::new(0.0, y_reference))
                 .y;
-            let mut fill_color = Rgba::from(stroke.color)
+            let default_fill_color = Rgba::from(stroke.color)
                 .to_opaque()
                 .multiply(fill_alpha)
                 .into();
-            let mut mesh = Mesh::default();
-            let expected_intersections = 20;
-            mesh.reserve_triangles((n_values - 1) * 2);
-            mesh.reserve_vertices(n_values * 2 + expected_intersections);
-            values_tf.windows(2).for_each(|w| {
+
+            let fill_color_for_point = |pos| {
                 if *gradient_fill && self.gradient_color.is_some() {
-                    fill_color = Rgba::from(self
+                    Rgba::from(self
                         .gradient_color
                         .clone()
                         .expect("Could not find gradient color callback")(
-                        transform.value_from_position(w[1]),
+                        transform.value_from_position(pos),
                     ))
                     .to_opaque()
                     .multiply(fill_alpha)
-                    .into();
+                    .into()
+                } else {
+                    default_fill_color
                 }
+            };
+
+            let mut mesh = Mesh::default();
+            let expected_intersections = 20;
+            mesh.reserve_triangles((n_values - 1) * 2);
+            mesh.reserve_vertices(n_values * 2 + expected_intersections);
+            values_tf.windows(2).for_each(|w| {
+                let fill_color = fill_color_for_point(w[0]);
                 let i = mesh.vertices.len() as u32;
                 mesh.colored_vertex(w[0], fill_color);
                 mesh.colored_vertex(pos2(w[0].x, y), fill_color);
                 if let Some(x) = y_intersection(&w[0], &w[1], y) {
                     let point = pos2(x, y);
-                    mesh.colored_vertex(point, fill_color);
+                    mesh.colored_vertex(point, fill_color_for_point(point));
                     mesh.add_triangle(i, i + 1, i + 2);
                     mesh.add_triangle(i + 2, i + 3, i + 4);
                 } else {
@@ -565,6 +572,7 @@ impl PlotItem for Line<'_> {
                 }
             });
             let last = values_tf[n_values - 1];
+            let fill_color = fill_color_for_point(last);
             mesh.colored_vertex(last, fill_color);
             mesh.colored_vertex(pos2(last.x, y), fill_color);
             shapes.push(Shape::Mesh(std::sync::Arc::new(mesh)));