diff --git a/src/broadcom/vulkan/v3dv_cmd_buffer.c b/src/broadcom/vulkan/v3dv_cmd_buffer.c
index e6343a01cfe..8a8727bf6da 100644
--- a/src/broadcom/vulkan/v3dv_cmd_buffer.c
+++ b/src/broadcom/vulkan/v3dv_cmd_buffer.c
@@ -4536,10 +4536,10 @@ v3dv_CmdPushConstants(VkCommandBuffer commandBuffer,
 {
    V3DV_FROM_HANDLE(v3dv_cmd_buffer, cmd_buffer, commandBuffer);
 
-   if (!memcmp(cmd_buffer->push_constants_data + offset, pValues, size))
+   if (!memcmp((uint8_t *) cmd_buffer->push_constants_data + offset, pValues, size))
       return;
 
-   memcpy((void*) cmd_buffer->push_constants_data + offset, pValues, size);
+   memcpy((uint8_t *) cmd_buffer->push_constants_data + offset, pValues, size);
 
    cmd_buffer->state.dirty |= V3DV_CMD_DIRTY_PUSH_CONSTANTS;
 }