diff --git a/0012-Fix-syntax-of-script-run_perftest_loopback.patch b/0012-Fix-syntax-of-script-run_perftest_loopback.patch
new file mode 100644
index 0000000000000000000000000000000000000000..c3e6c8f8e3121dc884956d2b51de9f75082d6cf4
--- /dev/null
+++ b/0012-Fix-syntax-of-script-run_perftest_loopback.patch
@@ -0,0 +1,37 @@
+From 20ab6380c8bebfd2757d5b7f45bcc741ddb1b8c2 Mon Sep 17 00:00:00 2001
+From: Tzafrir Cohen <tzafrir@debian.org>
+Date: Tue, 9 Apr 2024 07:45:41 +0300
+Subject: [PATCH] Fix syntax of script run_perftest_loopback
+
+Allow using a command line that has quotes and such.
+---
+ run_perftest_loopback | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/run_perftest_loopback b/run_perftest_loopback
+index 28cd17e5..f660cce7 100755
+--- a/run_perftest_loopback
++++ b/run_perftest_loopback
+@@ -2,7 +2,7 @@
+ # trivial script to launch a loopback test on the same device
+ # example: run_perftest_loopback 0 1 ib_write_bw -s 10
+ os_type=$(uname)
+-if [ $os_type == "FreeBSD" ]; then
++if [ "$os_type" = "FreeBSD" ]; then
+ 	cpu_bind_cmd="cpuset -l"
+ else 
+ 	cpu_bind_cmd="taskset -c"
+@@ -17,11 +17,11 @@ server_core=$1
+ client_core=$2
+ shift 2
+ 
+-$cpu_bind_cmd $server_core $* &
++$cpu_bind_cmd $server_core "$@" &
+ #give server time to start
+ sleep 1
+ 
+-$cpu_bind_cmd  $client_core $* localhost
++$cpu_bind_cmd  $client_core "$@" localhost
+ 
+ status=$?
+ 
diff --git a/perftest.spec b/perftest.spec
index a47c99f422f99c1a4aba65a5160a4a241ae09a4b..feafb7a54c0795dcf67f8ffbf6f1edb9468b01e7 100644
--- a/perftest.spec
+++ b/perftest.spec
@@ -1,6 +1,6 @@
 Name:           perftest
 Version:        4.5
-Release:        8
+Release:        9
 License:        GPLv2 or BSD
 Summary:        RDMA Performance Testing Tools
 Url:            https://github.com/linux-rdma/perftest
@@ -17,6 +17,7 @@ Patch8: 0008-Get-CPU-MHz-on-RISC-V.patch
 Patch9: 0009-Get-CPU-cycles-on-RISC-V.patch
 Patch10: 0010-Perftest-Support-selecting-congestion-control-algori.patch
 Patch11: 0011-Perftest-Fix-rx_depth-check-for-XRC.patch
+Patch12: 0012-Fix-syntax-of-script-run_perftest_loopback.patch
 
 BuildRequires:  automake gcc libibverbs-devel >= 1.2.0 librdmacm-devel >= 1.0.21 libibumad-devel >= 1.3.10.2
 BuildRequires:  pciutils-devel libibverbs librdmacm libibumad
@@ -43,6 +44,12 @@ done
 %_bindir/*
 
 %changelog
+* Mon Jul 22 2024 zhangxingrong-<zhangxingrong@uniontech.cn> - 4.5-9
+- Type: bugfix
+- ID: NA
+- SUG: NA
+- DESC: Fix syntax of script run_perftest_loopback
+
 * Mon Jul 8 2024 Xinghai Cen <cenxinghai@h-partners.com> - 4.5-8
 - Type: bugfix
 - ID: NA