diff --git a/RDFSharp/Query/Mirella/RDFOperationPrinter.cs b/RDFSharp/Query/Mirella/RDFOperationPrinter.cs
index 2875bc1b..db3fa4da 100644
--- a/RDFSharp/Query/Mirella/RDFOperationPrinter.cs
+++ b/RDFSharp/Query/Mirella/RDFOperationPrinter.cs
@@ -267,11 +267,9 @@ private static string PrintBodyMembers(List<RDFNamespace> operationPrefixes, RDF
                 #region PATTERNGROUPS
                 if (queryMember is RDFPatternGroup)
                 {
-
                     //Current pattern group is set as UNION with the next one
                     if (((RDFPatternGroup)queryMember).JoinAsUnion)
                     {
-
                         //Current pattern group IS NOT the last of the query
                         //(so UNION keyword must be appended at last)
                         if (!queryMember.Equals(lastQueryMbr))
@@ -300,7 +298,6 @@ private static string PrintBodyMembers(List<RDFNamespace> operationPrefixes, RDF
                             else
                                 sb.Append(RDFQueryPrinter.PrintPatternGroup((RDFPatternGroup)queryMember, 0, false, operationPrefixes));
                         }
-
                     }
 
                     //Current pattern group is set as INTERSECT with the next one
@@ -316,7 +313,6 @@ private static string PrintBodyMembers(List<RDFNamespace> operationPrefixes, RDF
                         else
                             sb.Append(RDFQueryPrinter.PrintPatternGroup((RDFPatternGroup)queryMember, 0, false, operationPrefixes));
                     }
-
                 }
                 #endregion