diff --git a/src/gallium/drivers/iris/iris_program.c b/src/gallium/drivers/iris/iris_program.c
index fc73849a24a..6e6848d189d 100644
--- a/src/gallium/drivers/iris/iris_program.c
+++ b/src/gallium/drivers/iris/iris_program.c
@@ -1227,6 +1227,9 @@ iris_update_compiled_tcs(struct iris_context *ice)
       .tes_primitive_mode = tes_info->tess.primitive_mode,
       .input_vertices =
          !tcs || compiler->use_tcs_8_patch ? ice->state.vertices_per_patch : 0,
+      .quads_workaround = devinfo->gen < 9 &&
+                          tes_info->tess.primitive_mode == GL_QUADS &&
+                          tes_info->tess.spacing == TESS_SPACING_EQUAL,
    };
    get_unified_tess_slots(ice, &key.outputs_written,
                           &key.patch_outputs_written);