diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d8b5d71d0..6421d0ed46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 All changes to the project will be documented in this file.
 
+## [1.32.21] - not yet released
+* Fixed a regression on declaration name completion (PR: [#1520](https://github.com/OmniSharp/omnisharp-roslyn/pull/1520))
+
 ## [1.32.20] - 2019-06-03
 * Added support for `TreatWarningsAsErrors` in csproj files (PR: [#1459](https://github.com/OmniSharp/omnisharp-roslyn/pull/1459))
 * Updated to Roslyn `3.2.0-beta3-19281-01` to match VS dev16.2p2 (PR: [#1511](https://github.com/OmniSharp/omnisharp-roslyn/pull/1511))
diff --git a/build/Packages.props b/build/Packages.props
index 17b6b8d7e8..03e5071c63 100644
--- a/build/Packages.props
+++ b/build/Packages.props
@@ -14,6 +14,7 @@
     <PackageReference Update="Dotnet.Script.DependencyModel" Version="0.6.1" />
     <PackageReference Update="Dotnet.Script.DependencyModel.NuGet" Version="0.6.2" />
 
+    <PackageReference Update="Humanizer" Version="2.2.0" />
     <PackageReference Update="McMaster.Extensions.CommandLineUtils" Version="2.2.4" />
 
     <PackageReference Update="Microsoft.AspNetCore.Diagnostics" Version="2.1.1" />
diff --git a/src/OmniSharp.Roslyn.CSharp/OmniSharp.Roslyn.CSharp.csproj b/src/OmniSharp.Roslyn.CSharp/OmniSharp.Roslyn.CSharp.csproj
index 7755a3546b..28ce5eea30 100644
--- a/src/OmniSharp.Roslyn.CSharp/OmniSharp.Roslyn.CSharp.csproj
+++ b/src/OmniSharp.Roslyn.CSharp/OmniSharp.Roslyn.CSharp.csproj
@@ -12,6 +12,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Humanizer" />
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" PrivateAssets="All" />
     <PackageReference Include="System.Reactive" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" />
diff --git a/tests/OmniSharp.Roslyn.CSharp.Tests/BufferManagerFacts.cs b/tests/OmniSharp.Roslyn.CSharp.Tests/BufferManagerFacts.cs
index 2eb53cf89f..5dfdd3b9ba 100644
--- a/tests/OmniSharp.Roslyn.CSharp.Tests/BufferManagerFacts.cs
+++ b/tests/OmniSharp.Roslyn.CSharp.Tests/BufferManagerFacts.cs
@@ -25,19 +25,16 @@ public async Task UpdateBufferIgnoresVoidRequests()
         {
             using (var host = CreateOmniSharpHost(new TestFile("test.cs", "class C {}")))
             {
-                Assert.Equal(2, host.Workspace.CurrentSolution.Projects.Count());
+                Assert.Single(host.Workspace.CurrentSolution.Projects);
                 Assert.Single(host.Workspace.CurrentSolution.Projects.ElementAt(0).Documents);
-                Assert.Single(host.Workspace.CurrentSolution.Projects.ElementAt(1).Documents);
 
                 await host.Workspace.BufferManager.UpdateBufferAsync(new Request() { });
-                Assert.Equal(2, host.Workspace.CurrentSolution.Projects.Count());
+                Assert.Single(host.Workspace.CurrentSolution.Projects);
                 Assert.Single(host.Workspace.CurrentSolution.Projects.ElementAt(0).Documents);
-                Assert.Single(host.Workspace.CurrentSolution.Projects.ElementAt(1).Documents);
 
                 await host.Workspace.BufferManager.UpdateBufferAsync(new Request() { FileName = "", Buffer = "enum E {}" });
-                Assert.Equal(2, host.Workspace.CurrentSolution.Projects.Count());
+                Assert.Single(host.Workspace.CurrentSolution.Projects);
                 Assert.Single(host.Workspace.CurrentSolution.Projects.ElementAt(0).Documents);
-                Assert.Single(host.Workspace.CurrentSolution.Projects.ElementAt(1).Documents);
             }
         }
 
diff --git a/tests/OmniSharp.Roslyn.CSharp.Tests/IntellisenseFacts.cs b/tests/OmniSharp.Roslyn.CSharp.Tests/IntellisenseFacts.cs
index f1985ebd9a..171cc74b06 100644
--- a/tests/OmniSharp.Roslyn.CSharp.Tests/IntellisenseFacts.cs
+++ b/tests/OmniSharp.Roslyn.CSharp.Tests/IntellisenseFacts.cs
@@ -142,7 +142,7 @@ public Class1()
                             System.Guid.gu$$
                         }
                     }";
-            
+
             var completions = await FindCompletionsAsync(filename, input);
             ContainsCompletions(completions.Select(c => c.CompletionText).Take(1), "NewGuid");
         }
@@ -285,6 +285,24 @@ public MyClass2()
             ContainsCompletions(completions.Select(c => c.CompletionText).Take(1), "text");
         }
 
+        [Theory]
+        [InlineData("dummy.cs")]
+        [InlineData("dummy.csx")]
+        public async Task Returns_declaration_names(string filename)
+        {
+            const string source =
+                @"
+public class MyClass
+{
+    MyClass m$$
+}
+                ";
+
+            var completions = await FindCompletionsAsync(filename, source);
+            ContainsCompletions(completions.Select(c => c.CompletionText), "my", "myClass", "My", "MyClass");
+        }
+
+
         [Theory]
         [InlineData("dummy.cs")]
         [InlineData("dummy.csx")]
diff --git a/tests/OmniSharp.Tests/UpdateBufferFilterFacts.cs b/tests/OmniSharp.Tests/UpdateBufferFilterFacts.cs
index 66d8d6fa4d..dbe86862f4 100644
--- a/tests/OmniSharp.Tests/UpdateBufferFilterFacts.cs
+++ b/tests/OmniSharp.Tests/UpdateBufferFilterFacts.cs
@@ -59,7 +59,7 @@ public async Task UpdateBuffer_AddsNewDocumentsIfNeeded()
             {
                 await host.Workspace.BufferManager.UpdateBufferAsync(new Request() { FileName = "test2.cs", Buffer = "interface I {}" });
 
-                Assert.Equal(2, host.Workspace.CurrentSolution.GetDocumentIdsWithFilePath("test2.cs").Length);
+                Assert.Single(host.Workspace.CurrentSolution.GetDocumentIdsWithFilePath("test2.cs"));
                 var docId = host.Workspace.CurrentSolution.GetDocumentIdsWithFilePath("test2.cs").FirstOrDefault();
                 Assert.NotNull(docId);
                 var sourceText = await host.Workspace.CurrentSolution.GetDocument(docId).GetTextAsync();
@@ -82,7 +82,7 @@ public async Task UpdateBuffer_TransientDocumentsDisappearWhenProjectAddsThem()
                 await host.Workspace.BufferManager.UpdateBufferAsync(new Request() { FileName = "transient.cs", Buffer = "interface I {}" });
 
                 var docIds = host.Workspace.CurrentSolution.GetDocumentIdsWithFilePath("transient.cs");
-                Assert.Equal(2, docIds.Length);
+                Assert.Single(docIds);
 
                 // simulate a project system adding the file for real
                 var project1 = host.Workspace.CurrentSolution.Projects.First();
diff --git a/tests/TestUtility/OmniSharpTestHost.cs b/tests/TestUtility/OmniSharpTestHost.cs
index e81b14f6e6..f66ab824f2 100644
--- a/tests/TestUtility/OmniSharpTestHost.cs
+++ b/tests/TestUtility/OmniSharpTestHost.cs
@@ -131,8 +131,8 @@ public void AddFilesToWorkspace(params TestFile[] testFiles)
         {
             TestHelpers.AddProjectToWorkspace(
                 this.Workspace,
-                "project.json",
-                new[] { "dnx451", "dnxcore50" },
+                "project.csproj",
+                new[] { "net472" },
                 testFiles.Where(f => f.FileName.EndsWith(".cs", StringComparison.OrdinalIgnoreCase)).ToArray());
 
             foreach (var csxFile in testFiles.Where(f => f.FileName.EndsWith(".csx", StringComparison.OrdinalIgnoreCase)))