diff --git a/qemu/target-arm/op_helper.c b/qemu/target-arm/op_helper.c
index d50204d5..6e2d760e 100644
--- a/qemu/target-arm/op_helper.c
+++ b/qemu/target-arm/op_helper.c
@@ -356,7 +356,7 @@ void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip, uint32_t syndrome)
         /* Requesting a trap to EL2 when we're in EL3 or S-EL0/1 is
          * a bug in the access function.
          */
-        assert(!arm_is_secure(env) && !arm_current_el(env) == 3);
+        assert(!arm_is_secure(env) && !(arm_current_el(env) == 3));
         target_el = 2;
         break;
     case CP_ACCESS_TRAP_EL3: