diff --git a/Kbuild b/Kbuild
index 82409c3..d529f70 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2425,6 +2425,7 @@
 
 cppflags-$(CONFIG_LITHIUM) += -DFEATURE_AST
 cppflags-$(CONFIG_LITHIUM) += -DPEER_PROTECTED_ACCESS
+cppflags-$(CONFIG_VERBOSE_DEBUG) += -DENABLE_VERBOSE_DEBUG
 
 #Enable STATE MACHINE HISTORY
 cppflags-$(CONFIG_SM_ENG_HIST) += -DSM_ENG_HIST_ENABLE