diff --git a/src/Workspaces/Core/Portable/Workspace/Solution/SolutionCompilationState.RegularCompilationTracker.cs b/src/Workspaces/Core/Portable/Workspace/Solution/SolutionCompilationState.RegularCompilationTracker.cs
index e2917700d9427..3943b8ce6beba 100644
--- a/src/Workspaces/Core/Portable/Workspace/Solution/SolutionCompilationState.RegularCompilationTracker.cs
+++ b/src/Workspaces/Core/Portable/Workspace/Solution/SolutionCompilationState.RegularCompilationTracker.cs
@@ -872,7 +872,7 @@ public async ValueTask<ImmutableArray<Diagnostic>> GetSourceGeneratorDiagnostics
 
                 foreach (var result in driverRunResult.Results)
                 {
-                    if (!IsGeneratorRunResultToIgnore(result))
+                    if (!result.Diagnostics.IsDefaultOrEmpty && !IsGeneratorRunResultToIgnore(result))
                     {
                         builder.AddRange(result.Diagnostics);
                     }