diff --git a/0001-llvm-exegesis-AArch64-Only-run-tests-on-aarch64-host.patch b/0001-llvm-exegesis-AArch64-Only-run-tests-on-aarch64-host.patch
new file mode 100644
index 0000000..817caf8
--- /dev/null
+++ b/0001-llvm-exegesis-AArch64-Only-run-tests-on-aarch64-host.patch
@@ -0,0 +1,26 @@
+From a56ac2803a227a1983f58d501ea61127dee18f56 Mon Sep 17 00:00:00 2001
+From: Tom Stellard <tstellar@redhat.com>
+Date: Wed, 19 Apr 2023 16:05:58 -0700
+Subject: [PATCH] [llvm-exegesis][AArch64] Only run tests on aarch64 hosts
+
+The add-return.s test is failing on s390x.
+
+See also e30ce634f75c01cc8784cb0c4972c42987178c1d.
+---
+ llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg b/llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg
+index 2c80c84ef2cc..c1c887bfcc47 100644
+--- a/llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg
++++ b/llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg
+@@ -1,3 +1,6 @@
+ if not ('AArch64' in config.root.targets):
+     # We need support for AArch64.
+     config.unsupported = True
++elif not ('aarch64' in config.root.host_triple):
++    # We need to be running on an PPC host.
++    config.unsupported = True
+-- 
+2.31.1
+
diff --git a/llvm.spec b/llvm.spec
index 66cf857..00f30c6 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -113,6 +113,9 @@ Source5:	run-lit-tests
 Source6:	lit.fedora.cfg.py
 %endif
 
+# Fix a test failure. https://reviews.llvm.org/D147699#4269505
+Patch0:		0001-llvm-exegesis-AArch64-Only-run-tests-on-aarch64-host.patch
+
 BuildRequires:	gcc
 BuildRequires:	gcc-c++
 BuildRequires:	clang