diff --git a/pom.xml b/pom.xml
index dc4a298..3765dc0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 
     <groupId>nl.dtls</groupId>
     <artifactId>rdf-extension</artifactId>
-    <version>1.3.0</version>
+    <version>1.3.1</version>
     <packaging>jar</packaging>
 
     <properties>
diff --git a/src/main/java/org/deri/grefine/rdf/commands/PreviewRdfCommand.java b/src/main/java/org/deri/grefine/rdf/commands/PreviewRdfCommand.java
index 925a12a..78dfa27 100644
--- a/src/main/java/org/deri/grefine/rdf/commands/PreviewRdfCommand.java
+++ b/src/main/java/org/deri/grefine/rdf/commands/PreviewRdfCommand.java
@@ -17,6 +17,7 @@
 import org.eclipse.rdf4j.rio.RDFHandlerException;
 import org.eclipse.rdf4j.rio.RDFWriter;
 import org.eclipse.rdf4j.rio.Rio;
+import org.eclipse.rdf4j.rio.helpers.BasicWriterSettings;
 
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
@@ -42,16 +43,17 @@ public void doPost(HttpServletRequest request, HttpServletResponse response)
 
 	        StringWriter sw = new StringWriter();
 	        RDFWriter w = Rio.createWriter(RDFFormat.TURTLE, sw);
+	        w.getWriterConfig().set(BasicWriterSettings.PRETTY_PRINT, false);
 	        RdfRowVisitor visitor = new RdfRowVisitor(schema, w) {
             	final int limit = 10;
             	int _count;
 				@Override
 				public boolean visit(Project project, int rowIndex, Row row) {
-					if(_count>=limit){
+					if(_count >= limit){
 		                return true;
 		            }
 					for(Node root:roots){
-						root.createNode(baseUri, factory, con, project, row, rowIndex,blanks);
+						root.createNode(baseUri, factory, con, project, row, rowIndex, blanks);
 					}
 		            _count +=1;
 
diff --git a/src/main/java/org/deri/grefine/rdf/exporters/RdfExporter.java b/src/main/java/org/deri/grefine/rdf/exporters/RdfExporter.java
index f46a232..e667c58 100644
--- a/src/main/java/org/deri/grefine/rdf/exporters/RdfExporter.java
+++ b/src/main/java/org/deri/grefine/rdf/exporters/RdfExporter.java
@@ -29,6 +29,7 @@
 import org.eclipse.rdf4j.rio.RDFWriter;
 import org.eclipse.rdf4j.rio.Rio;
 import org.eclipse.rdf4j.sail.memory.MemoryStore;
+import org.eclipse.rdf4j.rio.helpers.BasicWriterSettings;
 
 import com.google.refine.browsing.Engine;
 import com.google.refine.browsing.FilteredRows;
@@ -67,6 +68,7 @@ public void export(Project project, Properties options, Engine engine,
 
 	private void export(Project project, Properties options, Engine engine,
 						RDFWriter writer) throws IOException {
+		writer.getWriterConfig().set(BasicWriterSettings.PRETTY_PRINT, false);
     	RdfSchema schema;
     	try{
     		schema = Util.getProjectSchema(applicationContext, project);