diff --git a/src/util/00-mesa-defaults.conf b/src/util/00-mesa-defaults.conf
index 2c8350c76ee..295e95744a9 100644
--- a/src/util/00-mesa-defaults.conf
+++ b/src/util/00-mesa-defaults.conf
@@ -298,6 +298,7 @@ TODO: document the other workarounds.
              OpenGL behavior. Older SPECviewperf versions might also need this.
           -->
         <application name="SPECviewperf13" executable="viewperf">
+            <option name="vblank_mode" value="0" />
             <option name="allow_glsl_extension_directive_midshader" value="true" />
             <option name="allow_glsl_120_subset_in_110" value="true" />
             <option name="force_gl_names_reuse" value="true" />