diff --git a/clients/drcachesim/tests/burst_traceopts.cpp b/clients/drcachesim/tests/burst_traceopts.cpp
index d1c1300967c..12c34d6beff 100644
--- a/clients/drcachesim/tests/burst_traceopts.cpp
+++ b/clients/drcachesim/tests/burst_traceopts.cpp
@@ -381,7 +381,7 @@ GLOBAL_LABEL(FUNCNAME:)
         ldr      x1, [x0, #32]
         ldr      x1, [x0, #16]
         // Modify via non-memref.
-        add      x0, #8
+        add      x0, x0, #8
         ldr      x1, [x0, #32]
         // There are no conditional/predicate loads/stores.
         ret