diff --git a/devicemodel/Makefile b/devicemodel/Makefile
index ed08ec392..9a95d44ac 100644
--- a/devicemodel/Makefile
+++ b/devicemodel/Makefile
@@ -20,6 +20,7 @@ CFLAGS += -Werror
 CFLAGS += -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
 CFLAGS += -Wformat -Wformat-security -fno-strict-aliasing
 CFLAGS += -fpie
+CFLAGS += -Wno-stringop-truncation -Wno-address-of-packed-member
 
 CFLAGS += -I$(BASEDIR)/include
 CFLAGS += -I$(BASEDIR)/include/public
diff --git a/tools/acrn-manager/Makefile b/tools/acrn-manager/Makefile
index 2e3b9d9be..fca8288d4 100644
--- a/tools/acrn-manager/Makefile
+++ b/tools/acrn-manager/Makefile
@@ -14,6 +14,7 @@ MANAGER_CFLAGS += -Wformat -Wformat-security -fno-strict-aliasing
 MANAGER_CFLAGS += -fpie -fpic
 #FIXME: remove me. work-around for system() calls, which will be removed
 MANAGER_CFLAGS += -Wno-format-truncation -Wno-unused-result
+MANAGER_CFLAGS += -Wno-stringop-truncation
 MANAGER_CFLAGS += $(CFLAGS)
 
 MANAGER_CFLAGS += -I../../devicemodel/include