diff --git a/pkg/analysis_server/lib/src/computer/computer_highlights.dart b/pkg/analysis_server/lib/src/computer/computer_highlights.dart
index e1fd9083201..ebfc57f6b5a 100644
--- a/pkg/analysis_server/lib/src/computer/computer_highlights.dart
+++ b/pkg/analysis_server/lib/src/computer/computer_highlights.dart
@@ -1194,6 +1194,13 @@ class _DartUnitHighlightsComputerVisitor extends RecursiveAstVisitor<void> {
 
   @override
   void visitNamedType(NamedType node) {
+    if (node.importPrefix case final importPrefix?) {
+      computer._addRegion_token(
+        importPrefix.name,
+        HighlightRegionType.IMPORT_PREFIX,
+      );
+    }
+
     var type = node.type;
     if (type != null) {
       var isDynamic = type is DynamicType && node.name2.lexeme == 'dynamic';
diff --git a/pkg/analysis_server/test/analysis/notification_highlights2_test.dart b/pkg/analysis_server/test/analysis/notification_highlights2_test.dart
index 93de9c54ee5..bf8ec92019e 100644
--- a/pkg/analysis_server/test/analysis/notification_highlights2_test.dart
+++ b/pkg/analysis_server/test/analysis/notification_highlights2_test.dart
@@ -1256,6 +1256,28 @@ void f() {
     assertHasRegion(HighlightRegionType.IMPORT_PREFIX, 'ma.max');
   }
 
+  Future<void> test_IMPORT_PREFIX_methodInvocation() async {
+    addTestFile('''
+import 'dart:math' as ma;
+void f() {
+  ma.max(1, 2);
+}
+''');
+    await prepareHighlights();
+    assertHasRegion(HighlightRegionType.IMPORT_PREFIX, 'ma;');
+    assertHasRegion(HighlightRegionType.IMPORT_PREFIX, 'ma.max');
+  }
+
+  Future<void> test_IMPORT_PREFIX_namedType() async {
+    addTestFile('''
+import 'dart:math' as math;
+void f(math.Random r) {}
+''');
+    await prepareHighlights();
+    assertHasRegion(HighlightRegionType.IMPORT_PREFIX, 'math;');
+    assertHasRegion(HighlightRegionType.IMPORT_PREFIX, 'math.Random');
+  }
+
   Future<void> test_INSTANCE_FIELD() async {
     addTestFile('''
 class A {