diff --git a/src/OmniSharp.Host/MSBuild/Discovery/Providers/VisualStudioInstanceProvider.cs b/src/OmniSharp.Host/MSBuild/Discovery/Providers/VisualStudioInstanceProvider.cs
index 84b12e95bd..d17ff7ffcd 100644
--- a/src/OmniSharp.Host/MSBuild/Discovery/Providers/VisualStudioInstanceProvider.cs
+++ b/src/OmniSharp.Host/MSBuild/Discovery/Providers/VisualStudioInstanceProvider.cs
@@ -17,7 +17,7 @@ public VisualStudioInstanceProvider(ILoggerFactory loggerFactory)
 
         public override ImmutableArray<MSBuildInstance> GetInstances()
         {
-            if (!PlatformHelper.IsWindows)
+            if (PlatformHelper.IsMono)
             {
                 return NoInstances;
             }