diff --git a/main/src/com/google/refine/operations/recon/ReconUseValuesAsIdentifiersOperation.java b/main/src/com/google/refine/operations/recon/ReconUseValuesAsIdentifiersOperation.java
index 6e1e6b32b..56dc50d73 100644
--- a/main/src/com/google/refine/operations/recon/ReconUseValuesAsIdentifiersOperation.java
+++ b/main/src/com/google/refine/operations/recon/ReconUseValuesAsIdentifiersOperation.java
@@ -116,6 +116,9 @@ public class ReconUseValuesAsIdentifiersOperation extends EngineDependentMassCel
                 Cell cell = row.getCell(cellIndex);
                 if (cell != null && ExpressionUtils.isNonBlankData(cell.value)) {
                     String id = cell.value.toString();
+                    if(id.startsWith(identifierSpace)) {
+                    	id = id.substring(identifierSpace.length());
+                    }
                     
                     ReconCandidate match = new ReconCandidate(id, id, new String[0], 100);
                     Recon newRecon = reconConfig.createNewRecon(historyEntryID);
diff --git a/main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperationTests.java b/main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperationTests.java
index 0cebe10d6..757d734a6 100644
--- a/main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperationTests.java
+++ b/main/tests/server/src/com/google/refine/tests/operations/recon/ReconUseValuesAsIdsOperationTests.java
@@ -50,8 +50,8 @@ public class ReconUseValuesAsIdsOperationTests extends RefineTest {
             + "\"columnName\":\"ids\","
             + "\"engineConfig\":{\"mode\":\"row-based\",\"facets\":[]},"
             + "\"service\":\"http://localhost:8080/api\","
-            + "\"identifierSpace\":\"http://test.org/entities\","
-            + "\"schemaSpace\":\"http://test.org/schema\""
+            + "\"identifierSpace\":\"http://test.org/entities/\","
+            + "\"schemaSpace\":\"http://test.org/schema/\""
             + "}";
     
     @BeforeSuite
@@ -69,15 +69,15 @@ public class ReconUseValuesAsIdsOperationTests extends RefineTest {
         Project project = createCSVProject("ids,v\n"
                 + "Q343,hello\n"
                 + ",world\n"
-                + "Q31,test");
+                + "http://test.org/entities/Q31,test");
         ReconUseValuesAsIdentifiersOperation op = ParsingUtilities.mapper.readValue(json, ReconUseValuesAsIdentifiersOperation.class);
         op.createProcess(project, new Properties()).performImmediate();
         
         assertEquals("Q343", project.rows.get(0).cells.get(0).recon.match.id);
-        assertEquals("http://test.org/entities", project.rows.get(0).cells.get(0).recon.identifierSpace);
+        assertEquals("http://test.org/entities/", project.rows.get(0).cells.get(0).recon.identifierSpace);
         assertNull(project.rows.get(1).cells.get(0));
         assertEquals("Q31", project.rows.get(2).cells.get(0).recon.match.id);
         assertEquals(2, project.columnModel.columns.get(0).getReconStats().matchedTopics);
-        assertEquals("http://test.org/schema", ((StandardReconConfig)project.columnModel.columns.get(0).getReconConfig()).schemaSpace);
+        assertEquals("http://test.org/schema/", ((StandardReconConfig)project.columnModel.columns.get(0).getReconConfig()).schemaSpace);
     }
 }