diff --git a/eva-server/src/main/java/uk/ac/ebi/variation/eva/server/ws/GeneWSServer.java b/eva-server/src/main/java/uk/ac/ebi/variation/eva/server/ws/GeneWSServer.java
index a710eee8f..2009ecffe 100644
--- a/eva-server/src/main/java/uk/ac/ebi/variation/eva/server/ws/GeneWSServer.java
+++ b/eva-server/src/main/java/uk/ac/ebi/variation/eva/server/ws/GeneWSServer.java
@@ -77,7 +77,7 @@ public Response getVariantsByGene(@PathParam("gene") String geneId,
         
         for (String acceptedValue : VariantDBAdaptor.QueryParams.acceptedValues) {
             if (uriInfo.getQueryParameters().containsKey(acceptedValue)) {
-                List<String> values = uriInfo.getQueryParameters().get(acceptedValue);
+                List<String> values = uriInfo.getQueryParameters(true).get(acceptedValue);
                 String csv = values.get(0);
                 for (int i = 1; i < values.size(); i++) {
                     csv += "," + values.get(i);