diff --git a/ChangeLog.md b/ChangeLog.md
index 7e7ec8cb8d..8914c8f2df 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Fix ([RCS1080](https://github.com/JosefPihrt/Roslynator/blob/main/docs/analyzers/RCS1080.md)) when collection is derived from `List<T>` ([#986](https://github.com/josefpihrt/roslynator/pull/986).
+- Fix retrieving of trusted platform assemblies - separator differs by OS ([#987](https://github.com/josefpihrt/roslynator/pull/987).
 
 ## [4.1.2] - 2022-10-31
 
diff --git a/src/CommandLine/RuntimeMetadataReference.cs b/src/CommandLine/RuntimeMetadataReference.cs
index 9474d0a12a..3b41c49169 100644
--- a/src/CommandLine/RuntimeMetadataReference.cs
+++ b/src/CommandLine/RuntimeMetadataReference.cs
@@ -7,6 +7,7 @@
 using System.IO;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.InteropServices;
 using Microsoft.CodeAnalysis;
 
 namespace Roslynator
@@ -30,7 +31,7 @@ static ImmutableArray<string> CreateTrustedPlatformAssemblies()
                     // works only for .NET Core, it returns null for .NET Framework
                     return AppContext.GetData("TRUSTED_PLATFORM_ASSEMBLIES")?
                         .ToString()
-                        .Split(';')
+                        .Split(RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? ';' : ':')
                         .ToImmutableArray()
                         ?? ImmutableArray<string>.Empty;
                 }
diff --git a/src/Tests/TestConsole/Program.cs b/src/Tests/TestConsole/Program.cs
index 9759dae662..f6428d7cb7 100644
--- a/src/Tests/TestConsole/Program.cs
+++ b/src/Tests/TestConsole/Program.cs
@@ -5,6 +5,7 @@
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
@@ -35,7 +36,7 @@ void M()
                 IEnumerable<PortableExecutableReference> metadataReferences = AppContext
                     .GetData("TRUSTED_PLATFORM_ASSEMBLIES")
                     .ToString()
-                    .Split(';')
+                    .Split(RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? ';' : ':')
                     .Select(f => MetadataReference.CreateFromFile(f));
 
                 Project project = workspace.CurrentSolution
diff --git a/src/Tests/Testing.Common/RuntimeMetadataReference.cs b/src/Tests/Testing.Common/RuntimeMetadataReference.cs
index 411e255c10..b768b79f6c 100644
--- a/src/Tests/Testing.Common/RuntimeMetadataReference.cs
+++ b/src/Tests/Testing.Common/RuntimeMetadataReference.cs
@@ -4,6 +4,7 @@
 using System.Collections.Immutable;
 using System.IO;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Threading;
 using Microsoft.CodeAnalysis;
 
@@ -30,7 +31,7 @@ internal static class RuntimeMetadataReference
                     return AppContext
                         .GetData("TRUSTED_PLATFORM_ASSEMBLIES")
                         .ToString()
-                        .Split(';')
+                        .Split(RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? ';' : ':')
                         .ToImmutableDictionary(f => Path.GetFileName(f));
                 }
             }
diff --git a/src/Tools/CodeGeneration/CSharp/RuntimeMetadataReference.cs b/src/Tools/CodeGeneration/CSharp/RuntimeMetadataReference.cs
index 5c6db0f968..4a0ea2c858 100644
--- a/src/Tools/CodeGeneration/CSharp/RuntimeMetadataReference.cs
+++ b/src/Tools/CodeGeneration/CSharp/RuntimeMetadataReference.cs
@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Immutable;
 using System.IO;
+using System.Runtime.InteropServices;
 using Microsoft.CodeAnalysis;
 
 namespace Roslynator.CodeGeneration.CSharp
@@ -18,7 +19,7 @@ internal static class RuntimeMetadataReference
             return AppContext
                 .GetData("TRUSTED_PLATFORM_ASSEMBLIES")
                 .ToString()
-                .Split(';')
+                .Split(RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? ';' : ':')
                 .ToImmutableDictionary(f => Path.GetFileName(f));
         }