diff --git a/src/gallium/drivers/panfrost/pan_mempool.c b/src/gallium/drivers/panfrost/pan_mempool.c
index 31b638cf710..6c6deb58d10 100644
--- a/src/gallium/drivers/panfrost/pan_mempool.c
+++ b/src/gallium/drivers/panfrost/pan_mempool.c
@@ -144,8 +144,8 @@ panfrost_pool_alloc_aligned(struct panfrost_pool *pool, size_t sz,
        !(pool->create_flags & PAN_BO_INVISIBLE)) {
       long page_size = sysconf(_SC_PAGESIZE);
       assert(page_size > 0 && util_is_power_of_two_nonzero(page_size));
-      unsigned aligned = ALIGN_POT(sz, page_size);
-      unsigned bo_size = aligned + PAN_GUARD_SIZE;
+      size_t aligned = ALIGN_POT(sz, page_size);
+      size_t bo_size = aligned + PAN_GUARD_SIZE;
 
       bo = panfrost_pool_alloc_backing(pool, bo_size);
       if (!bo)