diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c
index 7fdb0839..4c35b4c3 100644
--- a/linux-core/i915_drv.c
+++ b/linux-core/i915_drv.c
@@ -43,7 +43,7 @@ static drm_fence_driver_t i915_fence_driver = {
 	.num_classes = 1,
 	.wrap_diff = (1 << 30),
 	.flush_diff = (1 << 29),
-	.sequence_mask = 0xffffffffU,
+	.sequence_mask = 0x7fffffffU,
 	.lazy_capable = 1,
 	.emit = i915_fence_emit_sequence,
 	.poke_flush = i915_poke_flush,