diff --git a/valgrind-3.18.1-arm64-atomics-rdm.patch b/valgrind-3.18.1-arm64-atomics-rdm.patch
new file mode 100644
index 0000000..47cb91a
--- /dev/null
+++ b/valgrind-3.18.1-arm64-atomics-rdm.patch
@@ -0,0 +1,16 @@
+diff --git a/VEX/priv/main_main.c b/VEX/priv/main_main.c
+index 1253cf588..482047c7a 100644
+--- a/VEX/priv/main_main.c
++++ b/VEX/priv/main_main.c
+@@ -2163,11 +2163,6 @@ static void check_hwcaps ( VexArch arch, UInt hwcaps )
+          if (have_fp16 != have_vfp16)
+             invalid_hwcaps(arch, hwcaps,
+                     "Mismatch detected between scalar and vector FP16 features.\n");
+-         Bool have_rdm = ((hwcaps & VEX_HWCAPS_ARM64_RDM) != 0);
+-         Bool have_atomics = ((hwcaps & VEX_HWCAPS_ARM64_ATOMICS) != 0);
+-         if (have_rdm != have_atomics)
+-            invalid_hwcaps(arch, hwcaps,
+-                    "Mismatch detected between RDMA and atomics features.\n");
+          return;
+       }
+ 
diff --git a/valgrind.spec b/valgrind.spec
index 340b727..190a90b 100644
--- a/valgrind.spec
+++ b/valgrind.spec
@@ -143,6 +143,9 @@ Patch22: valgrind-3.18.1-s390x-wflrx.patch
 # KDE#449672 ppc64 --track-origins=yes failure because of bad cmov addHRegUse
 Patch23: valgrind-3.18.1-ppc64-cmov.patch
 
+# KDE#449494 arm64: Mismatch detected between RDMA and atomics features
+Patch24: valgrind-3.18.1-arm64-atomics-rdm.patch
+
 BuildRequires: make
 BuildRequires: glibc-devel
 
@@ -298,6 +301,7 @@ Valgrind User Manual for details.
 %patch21 -p1
 %patch22 -p1
 %patch23 -p1
+%patch24 -p1
 
 %build
 # LTO triggers undefined symbols in valgrind.  Valgrind has a --enable-lto
@@ -529,6 +533,7 @@ fi
 %changelog
 * Tue Feb  8 2022 Mark Wielaard <mjw@fedoraproject.org>
 - Add valgrind-3.18.1-ppc64-cmov.patch
+- Add valgrind-3.18.1-arm64-atomics-rdm.patch
 
 * Sat Jan 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1:3.18.1-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild