diff --git a/VERSION b/VERSION
index 4c8517f7..be108053 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.3.564
+8.3.565
diff --git a/database/DBcellname.c b/database/DBcellname.c
index 2ba464e4..1d3d478c 100644
--- a/database/DBcellname.c
+++ b/database/DBcellname.c
@@ -1944,6 +1944,7 @@ DBCellDeleteDef(cellDef)
     entry = HashFind(&dbCellDefTable, cellDef->cd_name);
     ASSERT(HashGetValue(entry) == (ClientData) cellDef, "DBCellDeleteDef");
     HashSetValue(entry, (ClientData) NULL);
+    HashRemove(&dbCellDefTable, cellDef->cd_name);
     if (cellDef->cd_props)
 	DBPropClearAll(cellDef);