diff --git a/build b/build
index aea03ca..4fa83eb 100755
--- a/build
+++ b/build
@@ -76,7 +76,7 @@ BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE=\"../kernel_config_${arch}\"
 " >> "${outdir}/.config"
 else
   echo "\
-BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES=../kernel_config_fragment
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES=\"../kernel_config_fragment\"
 " >> "${outdir}/.config"
 fi
 if $x11; then