diff --git a/core/src/main/java/org/elasticsearch/search/sort/FieldSortBuilder.java b/core/src/main/java/org/elasticsearch/search/sort/FieldSortBuilder.java
index 22e656ba387..6b2c82a7b67 100644
--- a/core/src/main/java/org/elasticsearch/search/sort/FieldSortBuilder.java
+++ b/core/src/main/java/org/elasticsearch/search/sort/FieldSortBuilder.java
@@ -118,7 +118,7 @@ public class FieldSortBuilder extends SortBuilder<FieldSortBuilder> {
         order = in.readOptionalWriteable(SortOrder::readFromStream);
         sortMode = in.readOptionalWriteable(SortMode::readFromStream);
         unmappedType = in.readOptionalString();
-        if (in.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {
+        if (in.getVersion().onOrAfter(Version.V_6_1_0)) {
             nestedSort = in.readOptionalWriteable(NestedSortBuilder::new);
         }
     }
@@ -132,7 +132,7 @@ public class FieldSortBuilder extends SortBuilder<FieldSortBuilder> {
         out.writeOptionalWriteable(order);
         out.writeOptionalWriteable(sortMode);
         out.writeOptionalString(unmappedType);
-        if (out.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {
+        if (out.getVersion().onOrAfter(Version.V_6_1_0)) {
             out.writeOptionalWriteable(nestedSort);
         }
     }
diff --git a/core/src/main/java/org/elasticsearch/search/sort/GeoDistanceSortBuilder.java b/core/src/main/java/org/elasticsearch/search/sort/GeoDistanceSortBuilder.java
index 686b241489b..f639f760223 100644
--- a/core/src/main/java/org/elasticsearch/search/sort/GeoDistanceSortBuilder.java
+++ b/core/src/main/java/org/elasticsearch/search/sort/GeoDistanceSortBuilder.java
@@ -166,7 +166,7 @@ public class GeoDistanceSortBuilder extends SortBuilder<GeoDistanceSortBuilder>
         sortMode = in.readOptionalWriteable(SortMode::readFromStream);
         nestedFilter = in.readOptionalNamedWriteable(QueryBuilder.class);
         nestedPath = in.readOptionalString();
-        if (in.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {
+        if (in.getVersion().onOrAfter(Version.V_6_1_0)) {
             nestedSort = in.readOptionalWriteable(NestedSortBuilder::new);
         }
         validation = GeoValidationMethod.readFromStream(in);
@@ -182,7 +182,7 @@ public class GeoDistanceSortBuilder extends SortBuilder<GeoDistanceSortBuilder>
         out.writeOptionalWriteable(sortMode);
         out.writeOptionalNamedWriteable(nestedFilter);
         out.writeOptionalString(nestedPath);
-        if (out.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {
+        if (out.getVersion().onOrAfter(Version.V_6_1_0)) {
             out.writeOptionalWriteable(nestedSort);
         }
         validation.writeTo(out);
diff --git a/core/src/main/java/org/elasticsearch/search/sort/ScriptSortBuilder.java b/core/src/main/java/org/elasticsearch/search/sort/ScriptSortBuilder.java
index 866ace6313e..e9f28f4617e 100644
--- a/core/src/main/java/org/elasticsearch/search/sort/ScriptSortBuilder.java
+++ b/core/src/main/java/org/elasticsearch/search/sort/ScriptSortBuilder.java
@@ -120,7 +120,7 @@ public class ScriptSortBuilder extends SortBuilder<ScriptSortBuilder> {
         sortMode = in.readOptionalWriteable(SortMode::readFromStream);
         nestedPath = in.readOptionalString();
         nestedFilter = in.readOptionalNamedWriteable(QueryBuilder.class);
-        if (in.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {
+        if (in.getVersion().onOrAfter(Version.V_6_1_0)) {
             nestedSort = in.readOptionalWriteable(NestedSortBuilder::new);
         }
     }
@@ -133,7 +133,7 @@ public class ScriptSortBuilder extends SortBuilder<ScriptSortBuilder> {
         out.writeOptionalWriteable(sortMode);
         out.writeOptionalString(nestedPath);
         out.writeOptionalNamedWriteable(nestedFilter);
-        if (out.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {
+        if (out.getVersion().onOrAfter(Version.V_6_1_0)) {
             out.writeOptionalWriteable(nestedSort);
         }
     }