diff --git a/src/main/java/net/openhft/chronicle/map/impl/stage/entry/MapEntryStages.java b/src/main/java/net/openhft/chronicle/map/impl/stage/entry/MapEntryStages.java
index 7a50bce30..dd4826e70 100644
--- a/src/main/java/net/openhft/chronicle/map/impl/stage/entry/MapEntryStages.java
+++ b/src/main/java/net/openhft/chronicle/map/impl/stage/entry/MapEntryStages.java
@@ -148,7 +148,7 @@ public abstract class MapEntryStages<K, V> extends HashEntryStages<K>
                 relocation(newValue, newEntrySize);
                 return;
             } else if (newSizeInChunks < entrySizeInChunks) {
-                s.freeExtra(pos + 1, entrySizeInChunks, newSizeInChunks);
+                s.freeExtra(pos, entrySizeInChunks, newSizeInChunks);
             }
             // new size != old size => size is not constant => size is actually written =>
             // to prevent (at least) this execution: