diff --git a/src/Docfx.Dotnet/SymbolUrlResolver.SourceLink.cs b/src/Docfx.Dotnet/SymbolUrlResolver.SourceLink.cs
index adc14d64930..d7ba0c49a09 100644
--- a/src/Docfx.Dotnet/SymbolUrlResolver.SourceLink.cs
+++ b/src/Docfx.Dotnet/SymbolUrlResolver.SourceLink.cs
@@ -89,8 +89,15 @@ public SourceLinkProvider(PEReader peReader, MetadataReaderProvider pdbReaderPro
         private string? TryGetSourceLinkUrl(DocumentHandle handle)
         {
             var document = _pdbReader.GetDocument(handle);
-            if (document.Name.IsNil)
+            try
+            {
+                if (document.Name.IsNil)
+                    return null;
+            }
+            catch (BadImageFormatException)
+            {
                 return null;
+            }
 
             var documentName = _pdbReader.GetString(document.Name);
             if (documentName is null)