diff --git a/src/security/intel/stm/Makefile.inc b/src/security/intel/stm/Makefile.inc
index 3f5b9ee..d4da605 100644
--- a/src/security/intel/stm/Makefile.inc
+++ b/src/security/intel/stm/Makefile.inc
@@ -11,7 +11,7 @@
 
 3rdparty/stm/Stm/build/StmPkg/Core/stm.bin: $(obj)/config.h
 	$(MAKE) -C src/security/intel/stm \
-		CONFIG_STM_TTYSO_BASE=$(CONFIG_STM_TTYSO_BASE) \
+		CONFIG_STM_TTYS0_BASE=$(CONFIG_STM_TTYS0_BASE) \
 		CONFIG_STM_HEAPSIZE=$(CONFIG_STM_HEAPSIZE) \
 		CONFIG_STM_CONSOLE_DEBUG=$(CONFIG_STM_CONSOLE_DEBUG) \
 		CONFIG_STM_CONSOLE_RELEASE=$(CONFIG_STM_CONSOLE_RELEASE) \