diff --git a/src/broadcom/vulkan/v3dv_device.c b/src/broadcom/vulkan/v3dv_device.c
index 046c58c6739..800b89eb103 100644
--- a/src/broadcom/vulkan/v3dv_device.c
+++ b/src/broadcom/vulkan/v3dv_device.c
@@ -1363,10 +1363,13 @@ device_alloc(struct v3dv_device *device,
              VkDeviceSize size)
 {
    /* Our kernel interface is 32-bit */
-   assert((size & 0xffffffff) == size);
+   if (size > UINT32_MAX)
+      return VK_ERROR_OUT_OF_DEVICE_MEMORY;
+
    mem->bo = v3dv_bo_alloc(device, size, "device_alloc", false);
    if (!mem->bo)
       return VK_ERROR_OUT_OF_DEVICE_MEMORY;
+
    return VK_SUCCESS;
 }
 
diff --git a/src/broadcom/vulkan/v3dv_private.h b/src/broadcom/vulkan/v3dv_private.h
index 2445bad7956..5020895fd9c 100644
--- a/src/broadcom/vulkan/v3dv_private.h
+++ b/src/broadcom/vulkan/v3dv_private.h
@@ -404,7 +404,7 @@ struct v3dv_image {
    bool tiled;
 
    struct v3d_resource_slice slices[V3D_MAX_MIP_LEVELS];
-   uint32_t size; /* Total size in bytes */
+   uint64_t size; /* Total size in bytes */
    uint32_t cube_map_stride;
    uint32_t alignment;