diff --git a/core/definitions.mk b/core/definitions.mk
index 82b5b84..a0230dd 100755
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -181,6 +181,12 @@ if [ $(findstring kf4sbl,$(PRIVATE_MODULE) ) ]; then \
 	python3 $(INTEL_PATH_BUILD)/containertool/GenContainer.py create -t MULTIBOOT \
 	-cl CMD1:$(SBL_DIR)/cmdline-acrn ELF1:$(SBL_DIR)/acrn.32.out CMD2:$(SBL_DIR)/cmdline-kf ELF2:$@ \
 	-k $(INTEL_PATH_BUILD)/testkeys/OS1_TestKey_Priv_RSA3072.pem -o $(PRODUCT_OUT)/sbl_acrn; \
+	python3 $(INTEL_PATH_BUILD)/containertool/GenContainer.py create -t MULTIBOOT \
+	-cl CMD1:$(SBL_DIR)/cmdline-acrn ELF1:$(SBL_DIR)/acrn.32.out \
+	-k $(INTEL_PATH_BUILD)/testkeys/OS1_TestKey_Priv_RSA3072.pem -o $(PRODUCT_OUT)/sbl_mod_acrn; \
+	python3 $(INTEL_PATH_BUILD)/containertool/GenContainer.py create -t MULTIBOOT_MODULE \
+	-cl CMD2:$(SBL_DIR)/cmdline-kf ELF2:$@ \
+	-k $(INTEL_PATH_BUILD)/testkeys/OS1_TestKey_Priv_RSA3072.pem -o $(PRODUCT_OUT)/sbl_mod_kf; \
 fi \
 fi