diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index 804e3fb1..ea84c708 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -188,7 +188,7 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 		DRM_SPINLOCK(&dev_priv->swaps_lock);
 	}
 
-	DRM_SPINUNLOCK(&dev->drw_lock);
+	DRM_SPINUNLOCK(&dev_priv->swaps_lock);
 
 	if (nhits == 0) {
 		return;