diff --git a/examples/UniProt/61_Gene_Protein_Reaction_sets.ttl b/examples/UniProt/61_Gene_Protein_Reaction_sets.ttl
index de167d3b0..43e55ef3a 100644
--- a/examples/UniProt/61_Gene_Protein_Reaction_sets.ttl
+++ b/examples/UniProt/61_Gene_Protein_Reaction_sets.ttl
@@ -12,7 +12,10 @@ PREFIX taxon: <http://purl.uniprot.org/taxonomy/>
 PREFIX up: <http://purl.uniprot.org/core/>
 
 SELECT
-?ensemblGene ?protein ?rhea
+  DISTINCT # Disinct because there might be more than one transcript for a gene leading to duplicates
+    ?ensemblGene
+    ?protein 
+    ?rhea
 WHERE {
   ?protein up:reviewed true ;
            up:organism taxon:9606 .