diff --git a/buildroot-external/board/rpi3/post-image.sh b/buildroot-external/board/rpi3/post-image.sh
index 8e94db6b9..6f40e1083 100755
--- a/buildroot-external/board/rpi3/post-image.sh
+++ b/buildroot-external/board/rpi3/post-image.sh
@@ -45,5 +45,5 @@ create_overlay_image ${BINARIES_DIR}
 create_disk_image ${BINARIES_DIR} ${IMAGE_FILE} 2
 fix_disk_image_mbr ${IMAGE_FILE}
 
-rm -rf ${IMAGE_FILE}.bz2
-bzip2 ${IMAGE_FILE}
+rm -rf ${IMAGE_FILE}.gz
+gzip ${IMAGE_FILE}