diff --git a/engine/src/flutter/third_party/txt/src/txt/font_collection.cc b/engine/src/flutter/third_party/txt/src/txt/font_collection.cc
index dfa554714b9..15f2b824392 100644
--- a/engine/src/flutter/third_party/txt/src/txt/font_collection.cc
+++ b/engine/src/flutter/third_party/txt/src/txt/font_collection.cc
@@ -159,6 +159,7 @@ FontCollection::GetMinikinFontCollectionForFamilies(
   }
   // Default font family also not found. We fail to get a FontCollection.
   if (minikin_families.empty()) {
+    font_collections_cache_[family_key] = nullptr;
     return nullptr;
   }
   if (enable_font_fallback_) {