diff --git a/src/test/java/net/openhft/chronicle/map/watcher/MapFileManager.java b/src/test/java/net/openhft/chronicle/map/watcher/MapFileManager.java
index 766b03fd3..f05e9b21e 100755
--- a/src/test/java/net/openhft/chronicle/map/watcher/MapFileManager.java
+++ b/src/test/java/net/openhft/chronicle/map/watcher/MapFileManager.java
@@ -115,7 +115,7 @@ keyClass = map.keyType();
             Jvm.warn().on(getClass(), "Unable to update", e);
             header = e.toString();
         } finally {
-            mf.release();
+            mf.releaseLast();
             assert mf.refCount() == 0;
         }
     }
diff --git a/src/test/java/net/openhft/lang/values/DoubleArrayTest.java b/src/test/java/net/openhft/lang/values/DoubleArrayTest.java
index 2c91b0e35..e0438bf4c 100755
--- a/src/test/java/net/openhft/lang/values/DoubleArrayTest.java
+++ b/src/test/java/net/openhft/lang/values/DoubleArrayTest.java
@@ -62,7 +62,7 @@ public class DoubleArrayTest {
             // expected
         }
         // free the memory.
-        da.bytesStore().release();
+        da.bytesStore().releaseLast();
     }
 
     @Test