diff --git a/engine/src/flutter/impeller/entity/contents/filters/gaussian_blur_filter_contents.cc b/engine/src/flutter/impeller/entity/contents/filters/gaussian_blur_filter_contents.cc
index 43b53d702a2..9c3034ff364 100644
--- a/engine/src/flutter/impeller/entity/contents/filters/gaussian_blur_filter_contents.cc
+++ b/engine/src/flutter/impeller/entity/contents/filters/gaussian_blur_filter_contents.cc
@@ -27,14 +27,6 @@ DirectionalGaussianBlurFilterContents::
     ~DirectionalGaussianBlurFilterContents() = default;
 
 void DirectionalGaussianBlurFilterContents::SetSigma(Sigma sigma) {
-  if (sigma.sigma < kEhCloseEnough) {
-    // This cutoff is an implementation detail of the blur that's tied to the
-    // fragment shader. When the blur is set to 0, having a value slightly above
-    // zero makes the shader do 1 finite sample to pass the image through with
-    // no blur (while retaining correct alpha mask behavior).
-    blur_sigma_ = Sigma{kEhCloseEnough};
-    return;
-  }
   blur_sigma_ = sigma;
 }
 
@@ -105,6 +97,10 @@ std::optional<Snapshot> DirectionalGaussianBlurFilterContents::RenderFilter(
     return std::nullopt;
   }
 
+  if (blur_sigma_.sigma < kEhCloseEnough) {
+    return input_snapshot.value();  // No blur to render.
+  }
+
   auto maybe_input_uvs = input_snapshot->GetCoverageUVs(coverage);
   if (!maybe_input_uvs.has_value()) {
     return std::nullopt;