diff --git a/shell/platform/embedder/embedder.cc b/shell/platform/embedder/embedder.cc
index 3511162c89d40..6240bc9efcf80 100644
--- a/shell/platform/embedder/embedder.cc
+++ b/shell/platform/embedder/embedder.cc
@@ -1292,6 +1292,7 @@ FlutterSemanticsNode CreateEmbedderSemanticsNode(
       node.customAccessibilityActions.size(),
       node.customAccessibilityActions.data(),
       node.platformViewId,
+      node.tooltip.c_str(),
   };
 }
 
diff --git a/shell/platform/embedder/fixtures/main.dart b/shell/platform/embedder/fixtures/main.dart
index a8098c8fda34f..1726c5637389b 100644
--- a/shell/platform/embedder/fixtures/main.dart
+++ b/shell/platform/embedder/fixtures/main.dart
@@ -165,7 +165,7 @@ void a11y_main() async {
       increasedValueAttributes: <StringAttribute>[],
       decreasedValue: '',
       decreasedValueAttributes: <StringAttribute>[],
-      tooltip: '',
+      tooltip: 'tooltip',
       additionalActions: Int32List(0),
     )
     ..updateNode(
@@ -196,7 +196,7 @@ void a11y_main() async {
       increasedValueAttributes: <StringAttribute>[],
       decreasedValue: '',
       decreasedValueAttributes: <StringAttribute>[],
-      tooltip: '',
+      tooltip: 'tooltip',
       additionalActions: Int32List(0),
       childrenInHitTestOrder: Int32List(0),
       childrenInTraversalOrder: Int32List(0),
@@ -231,7 +231,7 @@ void a11y_main() async {
       increasedValueAttributes: <StringAttribute>[],
       decreasedValue: '',
       decreasedValueAttributes: <StringAttribute>[],
-      tooltip: '',
+      tooltip: 'tooltip',
       additionalActions: Int32List(0),
     )
     ..updateNode(
@@ -263,7 +263,7 @@ void a11y_main() async {
       increasedValueAttributes: <StringAttribute>[],
       decreasedValue: '',
       decreasedValueAttributes: <StringAttribute>[],
-      tooltip: '',
+      tooltip: 'tooltip',
       childrenInHitTestOrder: Int32List(0),
       childrenInTraversalOrder: Int32List(0),
     )
diff --git a/shell/platform/embedder/tests/embedder_a11y_unittests.cc b/shell/platform/embedder/tests/embedder_a11y_unittests.cc
index a4c3588032d8c..4007bb9e0c23c 100644
--- a/shell/platform/embedder/tests/embedder_a11y_unittests.cc
+++ b/shell/platform/embedder/tests/embedder_a11y_unittests.cc
@@ -24,6 +24,8 @@ namespace testing {
 
 using EmbedderA11yTest = testing::EmbedderTest;
 
+constexpr static char kTooltip[] = "tooltip";
+
 TEST_F(EmbedderTest, CannotProvideNewAndLegacySemanticsCallback) {
   EmbedderConfigBuilder builder(
       GetEmbedderContext(EmbedderTestContextType::kSoftwareContext));
@@ -101,6 +103,7 @@ TEST_F(EmbedderA11yTest, A11yTreeIsConsistent) {
       ASSERT_EQ(7.0, node->transform.pers0);
       ASSERT_EQ(8.0, node->transform.pers1);
       ASSERT_EQ(9.0, node->transform.pers2);
+      ASSERT_EQ(std::strncmp(kTooltip, node->tooltip, sizeof(kTooltip) - 1), 0);
 
       if (node->id == 128) {
         ASSERT_EQ(0x3f3, node->platform_view_id);
@@ -285,6 +288,7 @@ TEST_F(EmbedderA11yTest, A11yTreeIsConsistentUsingLegacyCallbacks) {
       ASSERT_EQ(7.0, node->transform.pers0);
       ASSERT_EQ(8.0, node->transform.pers1);
       ASSERT_EQ(9.0, node->transform.pers2);
+      ASSERT_EQ(std::strncmp(kTooltip, node->tooltip, sizeof(kTooltip) - 1), 0);
 
       if (node->id == 128) {
         ASSERT_EQ(0x3f3, node->platform_view_id);