diff --git a/packages/react-native/ReactCommon/react/renderer/textlayoutmanager/TextMeasureCache.h b/packages/react-native/ReactCommon/react/renderer/textlayoutmanager/TextMeasureCache.h
index b4becb8f2e10..de483900a625 100644
--- a/packages/react-native/ReactCommon/react/renderer/textlayoutmanager/TextMeasureCache.h
+++ b/packages/react-native/ReactCommon/react/renderer/textlayoutmanager/TextMeasureCache.h
@@ -119,6 +119,7 @@ inline bool areTextAttributesEquivalentLayoutWise(const TextAttributes &lhs, con
              lhs.fontStyle,
              lhs.fontVariant,
              lhs.allowFontScaling,
+             lhs.maxFontSizeMultiplier,
              lhs.dynamicTypeRamp,
              lhs.alignment) ==
       std::tie(
@@ -127,6 +128,7 @@ inline bool areTextAttributesEquivalentLayoutWise(const TextAttributes &lhs, con
              rhs.fontStyle,
              rhs.fontVariant,
              rhs.allowFontScaling,
+             rhs.maxFontSizeMultiplier,
              rhs.dynamicTypeRamp,
              rhs.alignment) &&
       floatEquality(lhs.fontSize, rhs.fontSize) && floatEquality(lhs.fontSizeMultiplier, rhs.fontSizeMultiplier) &&
@@ -145,6 +147,7 @@ inline size_t textAttributesHashLayoutWise(const TextAttributes &textAttributes)
       textAttributes.fontStyle,
       textAttributes.fontVariant,
       textAttributes.allowFontScaling,
+      textAttributes.maxFontSizeMultiplier,
       textAttributes.dynamicTypeRamp,
       textAttributes.letterSpacing,
       textAttributes.lineHeight,
diff --git a/packages/react-native/ReactCommon/react/renderer/textlayoutmanager/tests/TextLayoutManagerTest.cpp b/packages/react-native/ReactCommon/react/renderer/textlayoutmanager/tests/TextLayoutManagerTest.cpp
index 40258861855b..ee8128be7544 100644
--- a/packages/react-native/ReactCommon/react/renderer/textlayoutmanager/tests/TextLayoutManagerTest.cpp
+++ b/packages/react-native/ReactCommon/react/renderer/textlayoutmanager/tests/TextLayoutManagerTest.cpp
@@ -5,14 +5,33 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-#include <memory>
-
 #include <gtest/gtest.h>
 
-#include <react/renderer/textlayoutmanager/TextLayoutManager.h>
+#include <react/renderer/textlayoutmanager/TextMeasureCache.h>
 
 using namespace facebook::react;
 
-TEST(TextLayoutManagerTest, testSomething) {
-  // TODO:
+TEST(TextLayoutManagerTest, maxFontSizeMultiplierAffectsLayoutCacheEquality) {
+  TextAttributes lhs;
+  TextAttributes rhs;
+
+  lhs.fontSize = rhs.fontSize = 16;
+  lhs.fontSizeMultiplier = rhs.fontSizeMultiplier = 2;
+  lhs.maxFontSizeMultiplier = 1;
+  rhs.maxFontSizeMultiplier = 2;
+
+  EXPECT_FALSE(areTextAttributesEquivalentLayoutWise(lhs, rhs));
+}
+
+TEST(TextLayoutManagerTest, maxFontSizeMultiplierAffectsLayoutCacheHash) {
+  TextAttributes lhs;
+  TextAttributes rhs;
+
+  lhs.fontSize = rhs.fontSize = 16;
+  lhs.fontSizeMultiplier = rhs.fontSizeMultiplier = 2;
+  lhs.maxFontSizeMultiplier = 1;
+  rhs.maxFontSizeMultiplier = 2;
+
+  EXPECT_NE(
+      textAttributesHashLayoutWise(lhs), textAttributesHashLayoutWise(rhs));
 }