diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index e52214e..7639ffd 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -365,7 +365,7 @@
 
     run_fsck = RunErofsFsck
   elif fs_type.startswith("squash"):
-    build_command = ["mksquashfsimage.sh"]
+    build_command = ["mksquashfsimage"]
     build_command.extend([in_dir, out_file])
     if "squashfs_sparse_flag" in prop_dict and not disable_sparse:
       build_command.extend([prop_dict["squashfs_sparse_flag"]])
@@ -387,7 +387,7 @@
     if prop_dict.get("squashfs_disable_4k_align") == "true":
       build_command.extend(["-a"])
   elif fs_type.startswith("f2fs"):
-    build_command = ["mkf2fsuserimg.sh"]
+    build_command = ["mkf2fsuserimg"]
     build_command.extend([out_file, prop_dict["image_size"]])
     if "f2fs_sparse_flag" in prop_dict and not disable_sparse:
       build_command.extend([prop_dict["f2fs_sparse_flag"]])