diff --git a/src/main/java/com/android/tools/r8/ir/desugar/records/RecordCfMethods.java b/src/main/java/com/android/tools/r8/ir/desugar/records/RecordCfMethods.java
index ed388b8..f64b05b 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/records/RecordCfMethods.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/records/RecordCfMethods.java
@@ -110,10 +110,10 @@
                 182,
                 options.itemFactory.createMethod(
                     options.itemFactory.stringType,
-                    options.itemFactory.createProto(options.itemFactory.booleanType),
-                    options.itemFactory.createString("isEmpty")),
+                    options.itemFactory.createProto(options.itemFactory.intType),
+                    options.itemFactory.createString("length")),
                 false),
-            new CfIf(If.Type.EQ, ValueType.INT, label1),
+            new CfIf(If.Type.NE, ValueType.INT, label1),
             new CfConstNumber(0, ValueType.INT),
             new CfNewArray(options.itemFactory.createType("[Ljava/lang/String;")),
             new CfGoto(label2),
diff --git a/src/test/java/com/android/tools/r8/desugar/records/RecordMethods.java b/src/test/java/com/android/tools/r8/desugar/records/RecordMethods.java
index a3df3b5..f00657c 100644
--- a/src/test/java/com/android/tools/r8/desugar/records/RecordMethods.java
+++ b/src/test/java/com/android/tools/r8/desugar/records/RecordMethods.java
@@ -13,7 +13,7 @@
   public static String toString(
       Object[] recordFieldsValues, Class<?> recordClass, String fieldNames) {
     // Example: "Person[name=Jane Doe, age=42]"
-    String[] fieldNamesSplit = fieldNames.isEmpty() ? new String[0] : fieldNames.split(";");
+    String[] fieldNamesSplit = fieldNames.length() == 0 ? new String[0] : fieldNames.split(";");
     StringBuilder builder = new StringBuilder();
     builder.append(recordClass.getSimpleName()).append("[");
     for (int i = 0; i < fieldNamesSplit.length; i++) {