diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index be6bda1f..1e2846cb 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -38,6 +38,7 @@ cd $TOPDIR/firmware
 for build in $BUILDS; do
 	board=`echo $build | cut -d "/" -f 1`
 	app=`echo $build | cut -d "/" -f 2`
+	[ "$app" == "dfu" ] && use_clang_for_bl=1 || use_clang_for_bl=0
 	case "$build" in
 		"owhw/cardem")
 			comb="combined"
@@ -57,7 +58,7 @@ for build in $BUILDS; do
 	esac
 	echo
 	echo "=============== $board / $app START  =============="
-	PATH="/opt/llvm-arm/bin:$PATH" make USE_CLANG=1 BOARD="$board" APP="$app" $comb
+	PATH="/opt/llvm-arm/bin:$PATH" make USE_CLANG="$use_clang_for_bl" BOARD="$board" APP="$app" $comb
 	echo "=============== $board / $app RES:$? =============="
 done