diff --git a/kernel_module_build.sh b/kernel_module_build.sh
index 4b29dcf59d388ff21b10f984a479b6c090718cb8..d9e5db0e7800aa3e06bd10e3cc452bea64d84dd4 100755
--- a/kernel_module_build.sh
+++ b/kernel_module_build.sh
@@ -46,7 +46,7 @@ LINUX_KERNEL_UIMAGE_FILE=${LINUX_KERNEL_OBJ_OUT}/arch/arm/boot/uImage
 
 make -f kernel.mk
 
-if [ -f ${LINUX_KERNEL_UIMAGE_FILE} ];then
+if [ -f "${LINUX_KERNEL_UIMAGE_FILE}" ];then
     echo "uImage: ${LINUX_KERNEL_UIMAGE_FILE} build success"
 else
     echo "uImage: ${LINUX_KERNEL_UIMAGE_FILE} build failed!!!"