1 files changed, 1 insertions, 1 deletions

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index ce78c43a96..1636eed6b0 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -664,7 +664,7 @@ ROOTFS_PREPROCESS_COMMAND += "${@bb.utils.contains('DISTRO_FEATURES', 'usrmerge'
 POPULATE_SDK_PRE_TARGET_COMMAND += "${@bb.utils.contains('DISTRO_FEATURES', 'usrmerge', 'create_merged_usr_symlinks_sdk; ', '',d)}"
 
 reproducible_final_image_task () {
-    if [ "$BUILD_REPRODUCIBLE_BINARIES" = "1" ]; then
+    if [ "${BUILD_REPRODUCIBLE_BINARIES}" = "1" ]; then
         if [ "$REPRODUCIBLE_TIMESTAMP_ROOTFS" = "" ]; then
             REPRODUCIBLE_TIMESTAMP_ROOTFS=`git log -1 --pretty=%ct`
         fi