diff --git a/configs/lc823450-xgevk/scripts/Make.defs b/configs/lc823450-xgevk/scripts/Make.defs
index 05760d09b1..041db87c14 100644
--- a/configs/lc823450-xgevk/scripts/Make.defs
+++ b/configs/lc823450-xgevk/scripts/Make.defs
@@ -64,7 +64,7 @@ CXX = $(CROSSDEV)g++
 CPP = $(CROSSDEV)gcc -E
 LD = $(CROSSDEV)ld
 STRIP = $(CROSSDEV)strip --strip-unneeded
-AR = $(CROSSDEV)ar rcs
+AR = flock --verbose $(TOPDIR) $(CROSSDEV)ar rcs
 NM = $(CROSSDEV)nm
 OBJCOPY = $(CROSSDEV)objcopy
 OBJDUMP = $(CROSSDEV)objdump