diff --git a/sg2d-vega-test-data/vega-scenegraphs/symbol/wedge_stroke_angle.dims.json b/sg2d-vega-test-data/vega-scenegraphs/symbol/wedge_stroke_angle.dims.json
new file mode 100644
index 0000000..50fd0bc
--- /dev/null
+++ b/sg2d-vega-test-data/vega-scenegraphs/symbol/wedge_stroke_angle.dims.json
@@ -0,0 +1,6 @@
+{
+  "width": 500,
+  "height": 100,
+  "origin_x": 0,
+  "origin_y": 0
+}
\ No newline at end of file
diff --git a/sg2d-vega-test-data/vega-scenegraphs/symbol/wedge_stroke_angle.png b/sg2d-vega-test-data/vega-scenegraphs/symbol/wedge_stroke_angle.png
new file mode 100644
index 0000000..ee80992
Binary files /dev/null and b/sg2d-vega-test-data/vega-scenegraphs/symbol/wedge_stroke_angle.png differ
diff --git a/sg2d-vega-test-data/vega-scenegraphs/symbol/wedge_stroke_angle.sg.json b/sg2d-vega-test-data/vega-scenegraphs/symbol/wedge_stroke_angle.sg.json
new file mode 100644
index 0000000..7d7e7db
--- /dev/null
+++ b/sg2d-vega-test-data/vega-scenegraphs/symbol/wedge_stroke_angle.sg.json
@@ -0,0 +1,127 @@
+{
+  "marktype": "group",
+  "name": "root",
+  "role": "frame",
+  "interactive": true,
+  "clip": false,
+  "items": [
+    {
+      "items": [
+        {
+          "marktype": "symbol",
+          "role": "mark",
+          "interactive": true,
+          "clip": false,
+          "items": [
+            {
+              "x": 30,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 600,
+              "shape": "wedge",
+              "angle": 0
+            },
+            {
+              "x": 60,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 1200,
+              "shape": "wedge",
+              "angle": 30
+            },
+            {
+              "x": 90,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 1800,
+              "shape": "wedge",
+              "angle": 90
+            },
+            {
+              "x": 150,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 2200,
+              "shape": "wedge",
+              "angle": 120
+            },
+            {
+              "x": 200,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 2800,
+              "shape": "wedge",
+              "angle": 180
+            },
+            {
+              "x": 250,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 3000,
+              "shape": "wedge",
+              "angle": 240
+            },
+            {
+              "x": 310,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 1600,
+              "shape": "wedge",
+              "angle": 270
+            },
+            {
+              "x": 360,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 2400,
+              "shape": "wedge",
+              "angle": 300
+            },
+            {
+              "x": 400,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 3000,
+              "shape": "wedge",
+              "angle": 330
+            },
+            {
+              "x": 450,
+              "y": 40,
+              "fill": "red",
+              "stroke": "black",
+              "strokeWidth": 3,
+              "size": 3600,
+              "shape": "wedge",
+              "angle": 360
+            }
+          ],
+          "zindex": 0
+        }
+      ],
+      "x": 0,
+      "y": 0,
+      "width": 500,
+      "height": 100
+    }
+  ],
+  "zindex": 0
+}
\ No newline at end of file
diff --git a/sg2d-vega-test-data/vega-specs/symbol/wedge_stroke_angle.vg.json b/sg2d-vega-test-data/vega-specs/symbol/wedge_stroke_angle.vg.json
new file mode 100644
index 0000000..90e7161
--- /dev/null
+++ b/sg2d-vega-test-data/vega-specs/symbol/wedge_stroke_angle.vg.json
@@ -0,0 +1,40 @@
+{
+  "width": 500,
+  "height": 100,
+  "background": "white",
+  "data": [
+    {
+      "name": "data_1",
+      "values": [
+        {"x": 30, "angle": 0, "size": 600},
+        {"x": 60, "angle": 30, "size": 1200},
+        {"x": 90, "angle": 90, "size": 1800},
+        {"x": 150, "angle": 120, "size": 2200},
+        {"x": 200, "angle": 180, "size": 2800},
+        {"x": 250, "angle": 240, "size": 3000},
+        {"x": 310, "angle": 270, "size": 1600},
+        {"x": 360, "angle": 300, "size": 2400},
+        {"x": 400, "angle": 330, "size": 3000},
+        {"x": 450, "angle": 360, "size": 3600}
+      ]
+    }
+  ],
+  "marks": [
+    {
+      "type": "symbol",
+      "from": {"data": "data_1"},
+      "encode": {
+        "update": {
+          "x": {"field": "x"},
+          "y": {"value": 40},
+          "shape": {"value": "wedge"},
+          "fill": {"value": "red"},
+          "stroke": {"value": "black"},
+          "strokeWidth": {"value": 3},
+          "size": {"field": "size"},
+          "angle": {"field": "angle"}
+        }
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/sg2d-wgpu/src/marks/polygon_symbol.wgsl b/sg2d-wgpu/src/marks/polygon_symbol.wgsl
index 7c41414..22fcd52 100644
--- a/sg2d-wgpu/src/marks/polygon_symbol.wgsl
+++ b/sg2d-wgpu/src/marks/polygon_symbol.wgsl
@@ -63,8 +63,9 @@ fn vs_main(
         // The factor of 2.0 here is because the normal vector that lyon
         // returns has length such that moving all stroke vertices by the length
         // of the "normal" vector will increase the line width by 2.
+        let normal = rot * model.normal;
         var diff = scaled_stroke_width - instance.stroke_width;
-        let adjusted_pos = pos - diff * model.normal / 2.0;
+        let adjusted_pos = pos - diff * normal / 2.0;
 
         let normalized_pos = 2.0 * adjusted_pos / chart_uniforms.size - 1.0;
         out.clip_position = vec4<f32>(normalized_pos, 0.0, 1.0);
diff --git a/sg2d-wgpu/tests/test_image_baselines.rs b/sg2d-wgpu/tests/test_image_baselines.rs
index 113f53b..7f581e1 100644
--- a/sg2d-wgpu/tests/test_image_baselines.rs
+++ b/sg2d-wgpu/tests/test_image_baselines.rs
@@ -36,6 +36,7 @@ mod test_image_baselines {
         case("symbol", "scatter_transparent_stroke_star", 0.005),
         case("symbol", "wind_vector", 0.0015),
         case("symbol", "wedge_angle", 0.001),
+        case("symbol", "wedge_stroke_angle", 0.001),
         case("rule", "wide_rule_axes", 0.0001),
         case("text", "bar_axis_labels", 0.01)
     )]