diff --git a/src/test/java/br/unicamp/cst/core/profiler/TestMemoryObserver.java b/src/test/java/br/unicamp/cst/core/profiler/TestMemoryObserver.java
index 82b8121d..0342bbb6 100644
--- a/src/test/java/br/unicamp/cst/core/profiler/TestMemoryObserver.java
+++ b/src/test/java/br/unicamp/cst/core/profiler/TestMemoryObserver.java
@@ -400,8 +400,8 @@ public void changeOfRegimeTestMemoryContainer() {
 		MemoryContainer input = m.createMemoryContainer("INPUT_NUMBER");
 		MemoryObject output = m.createMemoryObject("OUTPUT_NUMBER", 0.32);
                 Codelet c = new Codelet() {
-                    MemoryContainer input_number;
-                    MemoryObject output_number;
+                    volatile MemoryContainer input_number;
+                    volatile MemoryObject output_number;
                     public int counter = 0;
                     @Override
                     public void accessMemoryObjects() {