diff --git a/Include/AuroraInterfaces.hpp b/Include/AuroraInterfaces.hpp
index 877b2d2..1ec5700 100644
--- a/Include/AuroraInterfaces.hpp
+++ b/Include/AuroraInterfaces.hpp
@@ -43,6 +43,10 @@
     name ## _t name ## Functional;                                                                                                                          \
     virtual ret name (AUI_EXPAND_PARAMS params) override                                                                                                    \
     {                                                                                                                                                       \
+        if (!name ## Functional)                                                                                                                            \
+        {                                                                                                                                                   \
+            return ret();                                                                                                                                   \
+        }                                                                                                                                                   \
         return name ## Functional(AUI_EXPAND_PARAMS_PARAMS params);                                                                                         \
     }