diff --git a/compiler/testData/codegen/regressions/kt475.jet b/compiler/testData/codegen/regressions/kt475.jet
index 8e7e86ddda7..e6dee342926 100644
--- a/compiler/testData/codegen/regressions/kt475.jet
+++ b/compiler/testData/codegen/regressions/kt475.jet
@@ -14,5 +14,5 @@ var <T> ArrayList<T>.length : Int
     set(value: Int) = throw java.lang.Error()
 
 var <T> ArrayList<T>.last : T
-    get() = get(size()-1).sure()
+    get() = get(size()-1)!!
     set(el : T) { set(size()-1, el) }
diff --git a/compiler/tests/org/jetbrains/jet/codegen/ArrayGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/ArrayGenTest.java
index 067d9600d74..b51c3b2bfff 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/ArrayGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/ArrayGenTest.java
@@ -246,7 +246,7 @@ public class ArrayGenTest extends CodegenTestCase {
     public void testCollectionAssignGetMultiIndex () throws Exception {
             loadText("import java.util.ArrayList\n" +
                          "fun box() : String { val s = ArrayList<String>(1); s.add(\"\"); s [1, -1] = \"5\"; s[2, -2] += \"7\"; return s[2,-2] }\n" +
-                         "fun ArrayList<String>.get(index1: Int, index2 : Int) = this[index1+index2].sure()\n" +
+                         "fun ArrayList<String>.get(index1: Int, index2 : Int) = this[index1+index2]!!\n" +
                          "fun ArrayList<String>.set(index1: Int, index2 : Int, elem: String) { this[index1+index2] = elem }\n");
 //            System.out.println(generateToText());
             Method foo = generateFunction("box");
@@ -266,7 +266,7 @@ public class ArrayGenTest extends CodegenTestCase {
     public void testCollectionGetMultiIndex () throws Exception {
             loadText("import java.util.ArrayList\n" +
                          "fun box() : String { val s = ArrayList<String>(1); s.add(\"\"); s [1, -1] = \"5\"; return s[2, -2] }\n" +
-                         "fun ArrayList<String>.get(index1: Int, index2 : Int) = this[index1+index2].sure()\n" +
+                         "fun ArrayList<String>.get(index1: Int, index2 : Int) = this[index1+index2]!!\n" +
                          "fun ArrayList<String>.set(index1: Int, index2 : Int, elem: String) { this[index1+index2] = elem }\n");
 //            System.out.println(generateToText());
             Method foo = generateFunction("box");