diff --git a/main/src/com/google/refine/operations/recon/ReconUseValuesAsIdentifiersOperation.java b/main/src/com/google/refine/operations/recon/ReconUseValuesAsIdentifiersOperation.java
index fda3726cf..b60744119 100644
--- a/main/src/com/google/refine/operations/recon/ReconUseValuesAsIdentifiersOperation.java
+++ b/main/src/com/google/refine/operations/recon/ReconUseValuesAsIdentifiersOperation.java
@@ -1,11 +1,12 @@
 package com.google.refine.operations.recon;
 
+import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
-import java.util.Properties;
 
 import org.json.JSONObject;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
@@ -24,7 +25,7 @@ import com.google.refine.model.changes.CellChange;
 import com.google.refine.model.changes.ReconChange;
 import com.google.refine.model.recon.StandardReconConfig;
 import com.google.refine.operations.EngineDependentMassCellOperation;
-import com.google.refine.operations.OperationRegistry;
+import com.google.refine.util.ParsingUtilities;
 
 public class ReconUseValuesAsIdentifiersOperation extends EngineDependentMassCellOperation {
     
@@ -38,11 +39,17 @@ public class ReconUseValuesAsIdentifiersOperation extends EngineDependentMassCel
     @JsonIgnore
     protected StandardReconConfig reconConfig;
 
+    @JsonCreator
     public ReconUseValuesAsIdentifiersOperation(
+            @JsonProperty("engineConfig")
             EngineConfig engineConfig,
+            @JsonProperty("columnName")
             String columnName,
+            @JsonProperty("service")
             String service,
+            @JsonProperty("identifierSpace")
             String identifierSpace,
+            @JsonProperty("schemaSpace")
             String schemaSpace) {
         super(engineConfig, columnName, false);
         this.service = service;
@@ -51,15 +58,8 @@ public class ReconUseValuesAsIdentifiersOperation extends EngineDependentMassCel
         this.reconConfig = new StandardReconConfig(service, identifierSpace, schemaSpace, null, null, true, Collections.emptyList());
     }
     
-    static public ReconUseValuesAsIdentifiersOperation reconstruct(JSONObject obj) throws Exception {
-        JSONObject engineConfig = obj.getJSONObject("engineConfig");
-        return new ReconUseValuesAsIdentifiersOperation(
-            EngineConfig.reconstruct(engineConfig), 
-            obj.getString("columnName"),
-            obj.getString("service"),
-            obj.getString("identifierSpace"),
-            obj.getString("schemaSpace")
-        );
+    static public ReconUseValuesAsIdentifiersOperation reconstruct(JSONObject obj) throws IOException {
+        return ParsingUtilities.mapper.readValue(obj.toString(), ReconUseValuesAsIdentifiersOperation.class);
     }
 
     @Override
diff --git a/main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperation.java b/main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperationTests.java
similarity index 97%
rename from main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperation.java
rename to main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperationTests.java
index 2b11c86a3..3a6d94036 100644
--- a/main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperation.java
+++ b/main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperationTests.java
@@ -18,7 +18,7 @@ import com.google.refine.tests.RefineTest;
 import com.google.refine.tests.util.TestUtils;
 
 
-public class ReconUseValuesAsIdsOperation extends RefineTest {
+public class ReconUseValuesAsIdsOperationTests extends RefineTest {
     String json = "{"
             + "\"op\":\"core/recon-use-values-as-identifiers\","
             + "\"description\":\"Use values as reconciliation identifiers in column ids\","