diff --git a/source/dbconnection.pas b/source/dbconnection.pas
index a7456705..8b6a9356 100644
--- a/source/dbconnection.pas
+++ b/source/dbconnection.pas
@@ -6468,8 +6468,15 @@ begin
     Result := False
   else if FEditingPrepared and Assigned(FCurrentUpdateRow) then
     Result := FCurrentUpdateRow[Column].NewIsNull
-  else
-    Result := FCurrentResults.Fields[Column].IsNull;
+  else begin
+    try
+      Result := FCurrentResults.Fields[Column].IsNull;
+    except
+      // Silence error: "Multiple-step operation generated errors. Check each status value."
+      // @see #496
+      on E:EOleException do;
+    end;
+  end;
 end;