diff --git a/tests/qemu-iotests/common.config b/tests/qemu-iotests/common.config
index 60bfabf348cfe5163ebf369473f615015e5aa795..f824651bac56e7cc8969a0456f2f5e5b3bc77dcf 100644
--- a/tests/qemu-iotests/common.config
+++ b/tests/qemu-iotests/common.config
@@ -122,7 +122,7 @@ _qemu_img_wrapper()
 
 _qemu_io_wrapper()
 {
-    local VALGRIND_LOGFILE=/tmp/$$.valgrind
+    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
     local RETVAL
     (
         if [ "${VALGRIND_QEMU}" == "y" ]; then