diff --git a/src/ApiService/ApiService/onefuzzlib/Reports.cs b/src/ApiService/ApiService/onefuzzlib/Reports.cs
index 1a24106119..dd0f7e741e 100644
--- a/src/ApiService/ApiService/onefuzzlib/Reports.cs
+++ b/src/ApiService/ApiService/onefuzzlib/Reports.cs
@@ -28,9 +28,9 @@ public Reports(ILogTracer log, IContainers containers) {
 
     public async Async.Task<IReport?> GetReportOrRegression(Container container, string fileName, bool expectReports = false, params string[] args) {
         var filePath = string.Join("/", new[] { container.String, fileName });
-        if (!fileName.EndsWith(".json", StringComparison.Ordinal)) {
+        if (!fileName.EndsWith(".json", StringComparison.Ordinal) || fileName.Contains("source-coverage", StringComparison.InvariantCultureIgnoreCase)) {
             if (expectReports) {
-                _log.Error($"get_report invalid extension: {filePath:Tag:FilePath}");
+                _log.Error($"get_report invalid extension or filename: {filePath:Tag:FilePath}");
             }
             return null;
         }