diff --git a/src/gallium/drivers/llvmpipe/lp_context.h b/src/gallium/drivers/llvmpipe/lp_context.h
index 2c6d654c959..4c985fa336a 100644
--- a/src/gallium/drivers/llvmpipe/lp_context.h
+++ b/src/gallium/drivers/llvmpipe/lp_context.h
@@ -114,7 +114,7 @@ struct llvmpipe_context {
 
    bool queries_disabled;
 
-   unsigned dirty; /**< Mask of LP_NEW_x flags */
+   uint64_t dirty; /**< Mask of LP_NEW_x flags */
    unsigned cs_dirty; /**< Mask of LP_CSNEW_x flags */
    /** Mapped vertex buffers */
    ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];