diff --git a/video/out/hwdec/dmabuf_interop_wl.c b/video/out/hwdec/dmabuf_interop_wl.c
index 606a0aa601d82..78baf146f04b6 100644
--- a/video/out/hwdec/dmabuf_interop_wl.c
+++ b/video/out/hwdec/dmabuf_interop_wl.c
@@ -46,7 +46,7 @@ static bool map(struct ra_hwdec_mapper *mapper,
         return false;
     } else if (!ra_compatible_format(mapper->ra, drm_format,
         mapper_p->desc.objects[0].format_modifier)) {
-        MP_VERBOSE(mapper, "Mapped surface with format %s; drm format '%s(%016lx)' "
+        MP_VERBOSE(mapper, "Mapped surface with format %s; drm format '%s(%016" PRIx64 ")' "
                    "is not supported by compositor.\n",
                    mp_imgfmt_to_name(mapper->src->params.hw_subfmt),
                    mp_tag_str(drm_format),
@@ -54,7 +54,7 @@ static bool map(struct ra_hwdec_mapper *mapper,
         return false;
     }
 
-    MP_VERBOSE(mapper, "Supported Wayland display format %s: '%s(%016lx)'\n",
+    MP_VERBOSE(mapper, "Supported Wayland display format %s: '%s(%016" PRIx64 ")'\n",
                mp_imgfmt_to_name(mapper->src->params.hw_subfmt),
                mp_tag_str(drm_format), mapper_p->desc.objects[0].format_modifier);
 
diff --git a/video/out/vo_dmabuf_wayland.c b/video/out/vo_dmabuf_wayland.c
index b02833cb6d8bd..d18ebc7d291b4 100644
--- a/video/out/vo_dmabuf_wayland.c
+++ b/video/out/vo_dmabuf_wayland.c
@@ -203,7 +203,7 @@ static void vaapi_dmabuf_importer(struct buffer *buf, struct mp_image *src,
     }
     buf->drm_format = desc.layers[layer_no].drm_format;
     if (!ra_compatible_format(p->ctx->ra, buf->drm_format, desc.objects[0].drm_format_modifier)) {
-        MP_VERBOSE(vo, "%s(%016lx) is not supported.\n",
+        MP_VERBOSE(vo, "%s(%016" PRIx64 ") is not supported.\n",
                    mp_tag_str(buf->drm_format), desc.objects[0].drm_format_modifier);
         buf->drm_format = 0;
         goto done;
@@ -685,7 +685,7 @@ static int reconfig(struct vo *vo, struct mp_image *img)
     }
 
     if (!ra_compatible_format(p->ctx->ra, p->drm_format, p->drm_modifier)) {
-        MP_ERR(vo, "Format '%s' with modifier '(%016lx)' is not supported by"
+        MP_ERR(vo, "Format '%s' with modifier '(%016" PRIx64 ")' is not supported by"
                " the compositor.\n", mp_tag_str(p->drm_format), p->drm_modifier);
         return VO_ERROR;
     }