diff --git a/VulkanHppGenerator.cpp b/VulkanHppGenerator.cpp
index d773bc6..f6577d2 100644
--- a/VulkanHppGenerator.cpp
+++ b/VulkanHppGenerator.cpp
@@ -14292,7 +14292,7 @@ void VulkanHppGenerator::readStructMember( tinyxml2::XMLElement const * element,
                      { "deprecated", { "ignored" } },
                      { "externsync", { "true" } },
                      { "len", {} },
-                     { "limittype", { "bitmask", "bits", "exact", "max", "min", "mul", "noauto", "pot", "range", "struct" } },
+                     { "limittype", { "bitmask", "bits", "exact", "max", "min", "mul", "noauto", "not", "pot", "range", "struct" } },
                      { "noautovalidity", { "true" } },
                      { "objecttype", { "objectType" } },
                      { "optional", { "false", "true" } },