diff --git a/tests/zfs-tests/tests/functional/io/io_uring.ksh b/tests/zfs-tests/tests/functional/io/io_uring.ksh
index 601445f6a43d..47e439d0f4d5 100755
--- a/tests/zfs-tests/tests/functional/io/io_uring.ksh
+++ b/tests/zfs-tests/tests/functional/io/io_uring.ksh
@@ -1,72 +1,72 @@
 #! /bin/ksh -p
 #
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
 # Common Development and Distribution License (the "License").
 # You may not use this file except in compliance with the License.
 #
 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 # or https://opensource.org/licenses/CDDL-1.0.
 # See the License for the specific language governing permissions
 # and limitations under the License.
 #
 # When distributing Covered Code, include this CDDL HEADER in each
 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 # If applicable, add the following below this CDDL HEADER, with the
 # fields enclosed by brackets "[]" replaced with your own identifying
 # information: Portions Copyright [yyyy] [name of copyright owner]
 #
 # CDDL HEADER END
 #
 
 #
 # Copyright (c) 2018 by Lawrence Livermore National Security, LLC.
 #
 
 . $STF_SUITE/include/libtest.shlib
 . $STF_SUITE/tests/functional/io/io.cfg
 
 #
 # DESCRIPTION:
 #	Verify Linux io_uring.
 #
 # STRATEGY:
 #	1. Use fio(1) in verify mode to perform write, read,
 #	   random read, and random write workloads.
 #	2. Repeat the test with additional fio(1) options.
 #
 
 verify_runnable "global"
 
 
-if [[ $(linux_version) -lt $(linux_version "5.1") ]]; then
+if ! $(grep -q "CONFIG_IO_URING=y" /boot/config-$(uname -r)); then
 	log_unsupported "Requires io_uring support"
 fi
 
 fio --ioengine=io_uring --parse-only || log_unsupported "fio io_uring support required"
 
 function cleanup
 {
 	log_must rm -f "$mntpnt/rw*"
 }
 
 log_assert "Verify Linux io_uring"
 
 log_onexit cleanup
 
 ioengine="--ioengine=io_uring"
 mntpnt=$(get_prop mountpoint $TESTPOOL/$TESTFS)
 dir="--directory=$mntpnt"
 
 set -A fio_arg -- "--sync=0" "--sync=1" "--direct=0" "--direct=1"
 
 for arg in "${fio_arg[@]}"; do
 	log_must fio $dir $ioengine $arg $FIO_WRITE_ARGS
 	log_must fio $dir $ioengine $arg $FIO_READ_ARGS
 	log_must fio $dir $ioengine $arg $FIO_RANDWRITE_ARGS
 	log_must fio $dir $ioengine $arg $FIO_RANDREAD_ARGS
 	log_must rm -f "$mntpnt/rw*"
 done
 
 log_pass "Verified Linux io_uring"