diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 464842c0c20..4c899010226 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
@@ -120,7 +120,7 @@ struct radeon_bomgr {
 
     /* is virtual address supported */
     bool va;
-    unsigned va_offset;
+    uint64_t va_offset;
     struct list_head va_holes;
 };