diff --git a/engine/src/flutter/lib/ui/painting/gradient.h b/engine/src/flutter/lib/ui/painting/gradient.h
index 788552cee1f..94a55a57acc 100644
--- a/engine/src/flutter/lib/ui/painting/gradient.h
+++ b/engine/src/flutter/lib/ui/painting/gradient.h
@@ -17,7 +17,8 @@ class DartLibraryNatives;
 
 namespace blink {
 
-static_assert(SkShader::kTileModeCount == 3, "Need to update tile mode enum");
+// TODO: update this if/when Skia adds Decal mode skbug.com/7638
+static_assert(SkShader::kTileModeCount >= 3, "Need to update tile mode enum");
 
 class CanvasGradient : public Shader {
   DEFINE_WRAPPERTYPEINFO();