diff --git a/src/vrend_renderer.c b/src/vrend_renderer.c
index 27e2efd..4b5f881 100644
--- a/src/vrend_renderer.c
+++ b/src/vrend_renderer.c
@@ -5775,6 +5775,11 @@ static void vrend_hw_emit_rs(struct vrend_context *ctx)
          report_core_warn(ctx, CORE_PROFILE_WARN_CLAMP);
    }
 
+   /* read-color-clamping is handled in the mesa frontend */
+   if (!vrend_state.use_gles) {
+       glClampColor(GL_CLAMP_READ_COLOR_ARB, GL_FALSE);
+   }
+
    if (has_feature(feat_multisample)) {
       if (has_feature(feat_sample_mask)) {
 	 if (state->multisample)