diff --git a/scripts/sync-fragment.sh b/scripts/sync-fragment.sh
index ace2823667..5e0e3b07ca 100755
--- a/scripts/sync-fragment.sh
+++ b/scripts/sync-fragment.sh
@@ -25,23 +25,25 @@ if [ ! -f .config ]; then
 	exit 1
 fi
 
-BASE_DEFCONFIG=`sed -n "/CONFIG_BASE_DEFCONFIG=/s/CONFIG_BASE_DEFCONFIG=//p" .config | tr -d '\r' | tr -d '"'`
-if [ -z "${BASE_DEFCONFIG}" ]; then
-	echo "ERROR: No base defconfig assigned by BASE_DEFCONFIG=..."
+BASE_DEFCONFIG1=`sed -n "/CONFIG_BASE_DEFCONFIG=/s/CONFIG_BASE_DEFCONFIG=//p" .config | tr -d '\r' | tr -d '"'`
+if [ -z "${BASE_DEFCONFIG1}" ]; then
+	echo "ERROR: No base defconfig assigned by BASE_DEFCONFIG1=..."
 	exit 1
 fi
 
-if [ ! -f configs/${BASE_DEFCONFIG} ]; then
-	echo "ERROR: No base defconfig \"${BASE_DEFCONFIG}\""
+if [ ! -f configs/${BASE_DEFCONFIG1} ]; then
+	echo "ERROR: No base defconfig \"${BASE_DEFCONFIG1}\""
 	exit 1
 fi
 
+BASE_DEFCONFIG0=`sed -n "/CONFIG_BASE_DEFCONFIG=/s/CONFIG_BASE_DEFCONFIG=//p" configs/${BASE_DEFCONFIG1} | tr -d '\r' | tr -d '"'`
+
 if [ ! -f ${FRAGMENT_CONFIG} ]; then
 	MSG_NEW_FILE="New config fragment: ${FRAGMENT_CONFIG}"
 fi
 
 cp .config fragment.config
-make ${BASE_DEFCONFIG}
+make ${BASE_DEFCONFIG0} ${BASE_DEFCONFIG1}
 ./scripts/diffconfig -m .config fragment.config | sort > ${FRAGMENT_CONFIG}
 cp fragment.config .config