diff --git a/extract-files.sh b/extract-files.sh
index 66d1400..fd33c42 100755
--- a/extract-files.sh
+++ b/extract-files.sh
@@ -63,7 +63,7 @@ function blob_fixup() {
             sed -i "s/libhidltransport.so/libhidlbase-v32.so\x00/" "${2}"
             ;;
         vendor/lib64/camera/components/com.qti.node.watermark.so)
-            "${PATCHELF}" --add-needed "libpiex_shim.so" "${2}"
+            grep -q "libpiex_shim.so" "${2}" || "${PATCHELF}" --add-needed "libpiex_shim.so" "${2}"
             ;;
         system_ext/etc/init/wfdservice.rc)
             sed -i "/^service/! s/wfdservice$/wfdservice64/g" "${2}"