diff --git a/gfx/common/vulkan_common.h b/gfx/common/vulkan_common.h
index b95a40cc41..e9e71fd06f 100644
--- a/gfx/common/vulkan_common.h
+++ b/gfx/common/vulkan_common.h
@@ -337,7 +337,7 @@ typedef struct vk
    video_info_t video;
 
    VkFormat tex_fmt;
-   math_matrix_4x4 mvp, mvp_no_rot;
+   math_matrix_4x4 mvp, mvp_no_rot; /* float alignment */
    VkViewport vk_vp;
    VkRenderPass render_pass;
    struct video_viewport vp;