diff --git a/sonic_installer/bootloader/uboot.py b/sonic_installer/bootloader/uboot.py
index 0490a48216..9e83f8edd7 100644
--- a/sonic_installer/bootloader/uboot.py
+++ b/sonic_installer/bootloader/uboot.py
@@ -89,7 +89,7 @@ def set_fips(self, image, enable):
         cmdline = out.strip()
         cmdline = re.sub('^linuxargs=', '', cmdline)
         cmdline = re.sub(r' sonic_fips=[^\s]', '', cmdline) + " sonic_fips=" + fips
-        run_command(['/usr/bin/fw_setenv', 'linuxargs'] + split(cmdline))
+        run_command(['/usr/bin/fw_setenv', 'linuxargs', cmdline])
         click.echo('Done')
 
     def get_fips(self, image):