diff --git a/src/Libraries/Mono.Cecil/Mono.Cecil.dll b/src/Libraries/Mono.Cecil/Mono.Cecil.dll
index 017184b0a9..b0609134d2 100755
Binary files a/src/Libraries/Mono.Cecil/Mono.Cecil.dll and b/src/Libraries/Mono.Cecil/Mono.Cecil.dll differ
diff --git a/src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/CecilReader.cs b/src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/CecilReader.cs
index cda6688a92..e6dafebdf0 100644
--- a/src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/CecilReader.cs
+++ b/src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/CecilReader.cs
@@ -62,8 +62,8 @@ namespace ICSharpCode.SharpDevelop.Dom
 					foreach (CustomAttributeNamedArgument entry in att.Properties) {
 						a.NamedArguments.Add(entry.Name, GetValue(pc, member, entry.Argument));
 					}
-				} catch (NullReferenceException) {
-					// Workaround for Cecil bug. TODO: remove when http://github.com/jbevain/cecil/issues#issue/6 is fixed
+				} catch (InvalidOperationException) {
+					// Workaround for Cecil bug. (some types cannot be resolved)
 				}
 				list.Add(a);
 			}