diff --git a/qemu.spec b/qemu.spec
index 4e22c35..05b6e36 100644
--- a/qemu.spec
+++ b/qemu.spec
@@ -2125,6 +2125,9 @@ rm -rf %{static_buildroot}
 # Disable iotests. RHEL has done this forever, and these
 # tests have been flakey in the past
 export MTESTARGS="--no-suite block"
+%ifarch riscv64
+export MTESTARGS="${MTESTARGS} --timeout-multiplier=10"
+%endif
 
 %if %{with check}
 %if !%{tools_only}