diff --git a/src/intel/common/intel_uuid.c b/src/intel/common/intel_uuid.c
index df2471569cf..14f6275416a 100644
--- a/src/intel/common/intel_uuid.c
+++ b/src/intel/common/intel_uuid.c
@@ -78,7 +78,9 @@ intel_uuid_compute_driver_id(uint8_t *uuid,
     * UUID.
     */
    _mesa_sha1_init(&sha1_ctx);
-   _mesa_sha1_update(&sha1_ctx, intelDriver, strlen(intelDriver) * sizeof(char));
+   _mesa_sha1_update(&sha1_ctx, intelDriver, strlen(intelDriver));
+   _mesa_sha1_update(&sha1_ctx, &devinfo->has_bit6_swizzle,
+                     sizeof(devinfo->has_bit6_swizzle));
    _mesa_sha1_final(&sha1_ctx, sha1);
    memcpy(uuid, sha1, size);
 }