diff --git a/scripts/image b/scripts/image
index df3ef086d0..82d833141e 100755
--- a/scripts/image
+++ b/scripts/image
@@ -236,7 +236,7 @@ if [ -z "${SQUASHFS_COMPRESSION_OPTION}" ]; then
   elif [ "${SQUASHFS_COMPRESSION}" = "lzo" ]; then
     SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 9 -b 524288"
   elif [ "${SQUASHFS_COMPRESSION}" = "zstd" ]; then
-    SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 22 -b 1048576"
+    SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 19 -b 1048576"
   fi
 fi