diff --git a/Sieve/Models/SieveModel.cs b/Sieve/Models/SieveModel.cs
index 29ead9c..63d5bcb 100644
--- a/Sieve/Models/SieveModel.cs
+++ b/Sieve/Models/SieveModel.cs
@@ -30,10 +30,10 @@ namespace Sieve.Models
                         if (filter.StartsWith("("))
                         {
                             var filterOpAndVal = filter.Substring(filter.LastIndexOf(")") + 1);
-                            filter = filter.Replace(subfilterOpAndVal, "").Replace("(", "").Replace(")","");
-                            foreach (var subfilter in filter.Split("|"))
+                            var subfilters = filter.Replace(filterOpAndVal, "").Replace("(", "").Replace(")","");
+                            foreach (var subfilter in subfilters.Split('|'))
                             {
-                                value.Add(new FilterTerm(subfilter + filterOpAndVal))
+                                value.Add(new FilterTerm(subfilter + filterOpAndVal));
                             }
                         }
                         else 
diff --git a/SieveUnitTests/General.cs b/SieveUnitTests/General.cs
index 832afb7..1311934 100644
--- a/SieveUnitTests/General.cs
+++ b/SieveUnitTests/General.cs
@@ -41,6 +41,12 @@ namespace SieveUnitTests
                     Title = "C",
                     LikeCount = 0
                 },
+                new Post() {
+                    Id = 3,
+                    Title = "3",
+                    LikeCount = 3,
+                    IsDraft = true
+                },
             }.AsQueryable();
         }
 
@@ -129,7 +135,7 @@ namespace SieveUnitTests
             var result = _processor.ApplyFiltering(model, _posts);
 
             Assert.IsFalse(result.Any(p => p.Id == 0));
-            Assert.IsTrue(result.Count() == 2);
+            Assert.IsTrue(result.Count() == 3);
         }
 
         [TestMethod]
@@ -153,6 +159,20 @@ namespace SieveUnitTests
 
             Assert.ThrowsException<SieveIncompatibleMethodException>(() => _processor.ApplyFiltering(model, _posts));
         }
+
+        [TestMethod]
+        public void OrFilteringWorks()
+        {
+            var model = new SieveModel()
+            {
+                Filters = "(Title|LikeCount)==3",
+            };
+
+            var result = _processor.ApplyFiltering(model, _posts);
+
+            Assert.AreEqual(result.First().Id, 3);
+            Assert.IsTrue(result.Count() == 1);
+        }
     }
 }