diff --git a/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/MetaSnomedSerialiser.java b/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/MetaSnomedSerialiser.java
index a1313a4..a479bd1 100644
--- a/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/MetaSnomedSerialiser.java
+++ b/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/MetaSnomedSerialiser.java
@@ -23,7 +23,7 @@ public class MetaSnomedSerialiser extends BaseSnomedSerialiser{
     
     private static final String LANGUAGE = "@en-gb";
     
-    private final static String NS_SNOMED_BASE = "http://sct.snomed.info/";
+    private final static String NS_SNOMED_BASE = "http://sct.snomed.info";
     private final static String GRAPH_NAME = NS_SNOMED_BASE + "graph#metasnomed";
     
     private static final String NS_XML_SCHEMA_DATATYPE = "http://www.w3.org/2001/XMLSchema#";
diff --git a/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/RdfSchemaSerialiser.java b/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/RdfSchemaSerialiser.java
index d5d3053..fc91c2b 100644
--- a/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/RdfSchemaSerialiser.java
+++ b/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/RdfSchemaSerialiser.java
@@ -24,7 +24,7 @@ public class RdfSchemaSerialiser extends BaseSnomedSerialiser{
     private final Logger LOG = LoggerFactory.getLogger(RdfSchemaSerialiser.class);
     
     private final String DEFAULT_SNOMED_BASE_URI = "http://sct.snomed.info/";
-    private final String DEFAULT_SNOMED_NS = "http://sct.snomed.info/#";
+    private final String DEFAULT_SNOMED_NS = "http://sct.snomed.info#";
 
     private final String NS_ONTOLOGY_VARIABLE = "__ontologyVersion_id__";
     private final String NS_CONCEPT = DEFAULT_SNOMED_BASE_URI;
diff --git a/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/SnapshotSnomedSerialiser.java b/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/SnapshotSnomedSerialiser.java
index 779a2b8..aac542a 100644
--- a/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/SnapshotSnomedSerialiser.java
+++ b/lib/importexport/src/main/java/com/ihtsdo/snomed/service/serialiser/SnapshotSnomedSerialiser.java
@@ -23,7 +23,7 @@ public class SnapshotSnomedSerialiser extends BaseSnomedSerialiser{
     
     private static final String LANGUAGE = "@en-gb";
     
-    private final static String NS_SNOMED_BASE = "http://sct.snomed.info/#";
+    private final static String NS_SNOMED_BASE = "http://sct.snomed.info#";
     private final static String DEFAULT_SNOMED_BASE_URI = "http://sct.snomed.info/";
 
 
diff --git a/lib/importexport/src/test/java/com/ihtsdo/snomed/service/serialiser/RdfSchemaSerialiserTest.java b/lib/importexport/src/test/java/com/ihtsdo/snomed/service/serialiser/RdfSchemaSerialiserTest.java
index f28b98b..f6a2217 100644
--- a/lib/importexport/src/test/java/com/ihtsdo/snomed/service/serialiser/RdfSchemaSerialiserTest.java
+++ b/lib/importexport/src/test/java/com/ihtsdo/snomed/service/serialiser/RdfSchemaSerialiserTest.java
@@ -20,7 +20,7 @@
 
 public class RdfSchemaSerialiserTest {
 	
-    private final static String NS_SNOMED_BASE = "http://sct.snomed.info/#";
+    private final static String NS_SNOMED_BASE = "http://sct.snomed.info#";
     private final static String DEFAULT_SNOMED_BASE_URI = "http://sct.snomed.info/";
 
 
diff --git a/lib/jena-spike/src/main/java/com/ihtsdo/snomed/service/JenaRdfSchemaSerialiser.java b/lib/jena-spike/src/main/java/com/ihtsdo/snomed/service/JenaRdfSchemaSerialiser.java
index 007ab5a..935ff55 100644
--- a/lib/jena-spike/src/main/java/com/ihtsdo/snomed/service/JenaRdfSchemaSerialiser.java
+++ b/lib/jena-spike/src/main/java/com/ihtsdo/snomed/service/JenaRdfSchemaSerialiser.java
@@ -29,7 +29,7 @@
 
 public class JenaRdfSchemaSerialiser{
 
-    private final static String NS_SNOMED_BASE = "http://sct.snomed.info/";
+    private final static String NS_SNOMED_BASE = "http://sct.snomed.info#";
 
     private static final String NS_ONTOLOGY_VARIABLE = "__ONTOLOGY_ID__";
     private static final String NS_CONCEPT = NS_SNOMED_BASE";