diff --git a/libwvdrmengine/apex/device/build.sh b/libwvdrmengine/apex/device/build.sh
index eb9b2b79..e63c49b9 100755
--- a/libwvdrmengine/apex/device/build.sh
+++ b/libwvdrmengine/apex/device/build.sh
@@ -97,7 +97,8 @@ function build_bundles() {
 # inputs: ${DIST_DIR}/${apex}.aab
 # outputs: ${DIST_DIR}/dev_keys_signed/${apex}/${apex}.apks
 function sign_bundles() {
-  ${DEV_SIGN_BUNDLE} --input_dir "${DIST_DIR}"
+  ${DEV_SIGN_BUNDLE} --input_dir "${DIST_DIR}" \
+    --output_dir "${DIST_DIR}/dev_keys_signed"
 }