diff --git a/src/test/java/net/openhft/chronicle/map/fromdocs/acid/revelations/DirtyReadOffender.java b/src/test/java/net/openhft/chronicle/map/fromdocs/acid/revelations/DirtyReadOffender.java
index 1f1773ff8..4d39564c2 100644
--- a/src/test/java/net/openhft/chronicle/map/fromdocs/acid/revelations/DirtyReadOffender.java
+++ b/src/test/java/net/openhft/chronicle/map/fromdocs/acid/revelations/DirtyReadOffender.java
@@ -18,7 +18,8 @@ public class DirtyReadOffender  {
 
             ChronicleMap<String, BondVOInterface> chm =
                     DirtyReadTolerance.offHeap(
-                            "OPERAND_CHRONICLE_MAP"
+                            args[2]
+                            +"OPERAND_CHRONICLE_MAP"
                     );
             System.out.println(
                     " @t=" + System.currentTimeMillis() +
diff --git a/src/test/java/net/openhft/chronicle/map/fromdocs/acid/revelations/DirtyReadVictim.java b/src/test/java/net/openhft/chronicle/map/fromdocs/acid/revelations/DirtyReadVictim.java
index 3a98c84dc..9564910fd 100644
--- a/src/test/java/net/openhft/chronicle/map/fromdocs/acid/revelations/DirtyReadVictim.java
+++ b/src/test/java/net/openhft/chronicle/map/fromdocs/acid/revelations/DirtyReadVictim.java
@@ -19,7 +19,8 @@ public class DirtyReadVictim {
              */
             ChronicleMap<String, BondVOInterface> chm =
                     DirtyReadTolerance.offHeap(
-                            "OPERAND_CHRONICLE_MAP"
+                            args[2]
+                            + "OPERAND_CHRONICLE_MAP"
                     );
             Double coupon = 0.00;
             BondVOInterface bond = newNativeReference(BondVOInterface.class);