diff --git a/src/nouveau/vulkan/nvk_cmd_copy.c b/src/nouveau/vulkan/nvk_cmd_copy.c
index 4315e4aeaf5..662318998e5 100644
--- a/src/nouveau/vulkan/nvk_cmd_copy.c
+++ b/src/nouveau/vulkan/nvk_cmd_copy.c
@@ -566,8 +566,8 @@ nvk_CmdFillBuffer(VkCommandBuffer commandBuffer,
    VkDeviceSize start = dstOffset / 4;
    VkDeviceSize end = start + fillSize / 4;
 
-   /* can't go higher for whatever reason */
-   uint32_t pitch = 1 << 19;
+   /* Pascal could do 1 << 19, but previous gens need lower pitches */
+   uint32_t pitch = 1 << 18;
    uint32_t line = pitch / 4;
 
    struct nv_push *p = nvk_cmd_buffer_push(cmd, 33);