diff --git a/Examples/test-suite/li_boost_shared_ptr.i b/Examples/test-suite/li_boost_shared_ptr.i
index fc51e7b5a..3d474ec00 100644
--- a/Examples/test-suite/li_boost_shared_ptr.i
+++ b/Examples/test-suite/li_boost_shared_ptr.i
@@ -45,6 +45,7 @@
 %shared_ptr(Space::KlassDerived)
 %shared_ptr(Space::Klass2ndDerived)
 %shared_ptr(Space::Klass3rdDerived)
+%shared_ptr(IgnoredMultipleInheritBase) // IgnoredMultipleInheritBase not actually used in any wrapped functions, so this isn't entirely necessary and warning 520 could instead have been suppressed.
 
 #endif