diff --git a/engine/src/flutter/include/minikin/MinikinFont.h b/engine/src/flutter/include/minikin/MinikinFont.h
index 935d4bb0b3..873a3eaf4a 100644
--- a/engine/src/flutter/include/minikin/MinikinFont.h
+++ b/engine/src/flutter/include/minikin/MinikinFont.h
@@ -30,6 +30,8 @@ class MinikinFont;
 // Possibly move into own .h file?
 // Note: if you add a field here, also update LayoutCacheKey
 struct MinikinPaint {
+    MinikinPaint() : font(0), size(0), scaleX(0), skewX(0), letterSpacing(0), paintFlags(0),
+            fakery() { }
     MinikinFont *font;
     float size;
     float scaleX;