diff --git a/impeller/aiks/aiks_unittests.cc b/impeller/aiks/aiks_unittests.cc
index 1525d9f9087d7..cdf59f42a58ad 100644
--- a/impeller/aiks/aiks_unittests.cc
+++ b/impeller/aiks/aiks_unittests.cc
@@ -1246,6 +1246,32 @@ TEST_P(AiksTest, SolidColorCirclesOvalsRRectsMaskBlurCorrectly) {
   ASSERT_TRUE(OpenPlaygroundHere(canvas.EndRecordingAsPicture()));
 }
 
+TEST_P(AiksTest, FastEllipticalRRectMaskBlursRenderCorrectly) {
+  Canvas canvas;
+  canvas.Scale(GetContentScale());
+  Paint paint;
+  paint.mask_blur_descriptor = Paint::MaskBlurDescriptor{
+      .style = FilterContents::BlurStyle::kNormal,
+      .sigma = Sigma{1},
+  };
+
+  canvas.DrawPaint({.color = Color::White()});
+
+  paint.color = Color::Blue();
+  for (int i = 0; i < 5; i++) {
+    Scalar y = i * 125;
+    Scalar y_radius = i * 15;
+    for (int j = 0; j < 5; j++) {
+      Scalar x = j * 125;
+      Scalar x_radius = j * 15;
+      canvas.DrawRRect(Rect::MakeXYWH(x + 50, y + 50, 100.0f, 100.0f),
+                       {x_radius, y_radius}, paint);
+    }
+  }
+
+  ASSERT_TRUE(OpenPlaygroundHere(canvas.EndRecordingAsPicture()));
+}
+
 TEST_P(AiksTest, FilledRoundRectPathsRenderCorrectly) {
   Canvas canvas;
   canvas.Scale(GetContentScale());
diff --git a/impeller/entity/contents/solid_rrect_blur_contents.cc b/impeller/entity/contents/solid_rrect_blur_contents.cc
index b6bdffd2b7d81..4f62435a02dad 100644
--- a/impeller/entity/contents/solid_rrect_blur_contents.cc
+++ b/impeller/entity/contents/solid_rrect_blur_contents.cc
@@ -113,7 +113,7 @@ bool SolidRRectBlurContents::Render(const ContentContext& renderer,
   frag_info.rect_size = Point(positive_rect.GetSize());
   frag_info.corner_radii = {std::clamp(corner_radii_.width, kEhCloseEnough,
                                        positive_rect.GetWidth() * 0.5f),
-                            std::clamp(corner_radii_.width, kEhCloseEnough,
+                            std::clamp(corner_radii_.height, kEhCloseEnough,
                                        positive_rect.GetHeight() * 0.5f)};
 
   pass.SetCommandLabel("RRect Shadow");
diff --git a/testing/impeller_golden_tests_output.txt b/testing/impeller_golden_tests_output.txt
index affa64d1f9e4a..6a25f99892e82 100644
--- a/testing/impeller_golden_tests_output.txt
+++ b/testing/impeller_golden_tests_output.txt
@@ -596,6 +596,9 @@ impeller_Play_AiksTest_EmptySaveLayerIgnoresPaint_Vulkan.png
 impeller_Play_AiksTest_EmptySaveLayerRendersWithClear_Metal.png
 impeller_Play_AiksTest_EmptySaveLayerRendersWithClear_OpenGLES.png
 impeller_Play_AiksTest_EmptySaveLayerRendersWithClear_Vulkan.png
+impeller_Play_AiksTest_FastEllipticalRRectMaskBlursRenderCorrectly_Metal.png
+impeller_Play_AiksTest_FastEllipticalRRectMaskBlursRenderCorrectly_OpenGLES.png
+impeller_Play_AiksTest_FastEllipticalRRectMaskBlursRenderCorrectly_Vulkan.png
 impeller_Play_AiksTest_FastGradientTestHorizontalReversed_Metal.png
 impeller_Play_AiksTest_FastGradientTestHorizontalReversed_OpenGLES.png
 impeller_Play_AiksTest_FastGradientTestHorizontalReversed_Vulkan.png