diff --git a/pkg/analysis_server/lib/src/services/correction/dart/convert_to_initializing_formal.dart b/pkg/analysis_server/lib/src/services/correction/dart/convert_to_initializing_formal.dart
index 3dd3b253d08..32ea50026a8 100644
--- a/pkg/analysis_server/lib/src/services/correction/dart/convert_to_initializing_formal.dart
+++ b/pkg/analysis_server/lib/src/services/correction/dart/convert_to_initializing_formal.dart
@@ -181,7 +181,12 @@ class ConvertToInitializingFormal extends ResolvedCorrectionProducer {
         var functionBody = block.parent;
         if (statements.length == 1 && functionBody is BlockFunctionBody) {
           builder.addSimpleReplacement(
-            range.endEnd(constructor.parameters, functionBody),
+            range.endEnd(
+              constructor.initializers.isNotEmpty
+                  ? constructor.initializers.last
+                  : constructor.parameters,
+              functionBody,
+            ),
             ';',
           );
         } else {
diff --git a/pkg/analysis_server/test/src/services/correction/fix/convert_to_initializing_formal_test.dart b/pkg/analysis_server/test/src/services/correction/fix/convert_to_initializing_formal_test.dart
index 743e9811ee4..18d383054eb 100644
--- a/pkg/analysis_server/test/src/services/correction/fix/convert_to_initializing_formal_test.dart
+++ b/pkg/analysis_server/test/src/services/correction/fix/convert_to_initializing_formal_test.dart
@@ -144,6 +144,27 @@ class C {
 ''');
   }
 
+  Future<void> test_assignment_otherInitializer() async {
+    await resolveTestCode('''
+class C {
+  int? x;
+  int? y;
+
+  C({int? x}) : y = 1 {
+    this.x = x;
+  }
+}
+''');
+    await assertHasFix('''
+class C {
+  int? x;
+  int? y;
+
+  C({this.x}) : y = 1;
+}
+''');
+  }
+
   Future<void> test_assignment_positional_differentType() async {
     await resolveTestCode('''
 class C {