diff --git a/tools/buildinfo.sh b/tools/buildinfo.sh
index dcd9ab5..1fb203a 100755
--- a/tools/buildinfo.sh
+++ b/tools/buildinfo.sh
@@ -17,6 +17,9 @@
 echo "ro.build.host=`hostname`"
 echo "ro.build.tags=$BUILD_VERSION_TAGS"
 echo "ro.build.flavor=$TARGET_BUILD_FLAVOR"
+if [ -n "$BOARD_BUILD_SYSTEM_ROOT_IMAGE" ] ; then
+  echo "ro.build.system_root_image=$BOARD_BUILD_SYSTEM_ROOT_IMAGE"
+fi
 echo "ro.product.model=$PRODUCT_MODEL"
 echo "ro.product.brand=$PRODUCT_BRAND"
 echo "ro.product.name=$PRODUCT_NAME"