diff --git a/metafix/src/main/java/org/metafacture/metafix/Value.java b/metafix/src/main/java/org/metafacture/metafix/Value.java
index b6193646..2fddd53d 100644
--- a/metafix/src/main/java/org/metafacture/metafix/Value.java
+++ b/metafix/src/main/java/org/metafacture/metafix/Value.java
@@ -255,6 +255,27 @@ public String toString() {
 
         public abstract String asString();
 
+        private enum InsertMode {
+
+            REPLACE {
+                @Override
+                void apply(final Hash hash, final String field, final String value) {
+                    hash.put(field, new Value(value));
+                }
+            },
+            APPEND {
+                @Override
+                void apply(final Hash hash, final String field, final String value) {
+                    final Value oldValue = hash.get(field);
+                    final Value newValue = new Value(value);
+                    hash.put(field, oldValue == null ? newValue : oldValue.merge(newValue));
+                }
+            };
+
+            abstract void apply(Hash hash, String field, String value);
+
+        }
+
     }
 
     /**
@@ -364,7 +385,7 @@ private Value findInValue(final String[] path, final Value value) {
             return result;
         }
 
-        private void insert(final InsertMode mode, final String[] fields, final String newValue) {
+        private void insert(final AbstractValueType.InsertMode mode, final String[] fields, final String newValue) {
             switch (fields[0]) {
                 case ASTERISK:
                     // TODO: WDCD? descend into the array?
@@ -471,11 +492,11 @@ public void replace(final String field, final Value value) {
         }
 
         public Value replace(final String fieldPath, final String newValue) {
-            return insert(InsertMode.REPLACE, fieldPath, newValue);
+            return insert(AbstractValueType.InsertMode.REPLACE, fieldPath, newValue);
         }
 
         public Value append(final String fieldPath, final String newValue) {
-            return insert(InsertMode.APPEND, fieldPath, newValue);
+            return insert(AbstractValueType.InsertMode.APPEND, fieldPath, newValue);
         }
 
         /**
@@ -545,11 +566,11 @@ public void add(final String field, final Value newValue) {
             put(field, oldValue == null ? newValue : oldValue.merge(newValue));
         }
 
-        public Value insert(final InsertMode mode, final String fieldPath, final String newValue) {
+        public Value insert(final AbstractValueType.InsertMode mode, final String fieldPath, final String newValue) {
             return insert(mode, split(fieldPath), newValue);
         }
 
-        private Value insert(final InsertMode mode, final String[] fields, final String newValue) {
+        private Value insert(final AbstractValueType.InsertMode mode, final String[] fields, final String newValue) {
             final String field = fields[0];
             if (field.equals(APPEND_FIELD) || field.equals(LAST_FIELD)) {
                 // TODO: WDCD? $last, $append skipped for hashes here:
@@ -700,24 +721,4 @@ public String asString() {
 
     }
 
-    private enum InsertMode {
-
-        REPLACE {
-            @Override
-            void apply(final Hash h, final String field, final String value) {
-                h.put(field, new Value(value));
-            }
-        },
-        APPEND {
-            @Override
-            void apply(final Hash h, final String field, final String value) {
-                final Value oldValue = h.get(field);
-                final Value newValue = new Value(value);
-                h.put(field, oldValue == null ? newValue : oldValue.merge(newValue));
-            }
-        };
-
-        abstract void apply(Hash h, String field, String value);
-
-    }
 }