diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index da1ba79e8..890eba7fd 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -255,8 +255,7 @@ drm_fb_create_dumb(struct drm_compositor *ec, unsigned width, unsigned height)
 
 	memset(&map_arg, 0, sizeof(map_arg));
 	map_arg.handle = fb->handle;
-	drmIoctl(fb->fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg);
-
+	ret = drmIoctl(fb->fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg);
 	if (ret)
 		goto err_add_fb;