diff --git a/sys/dev/drm2/drm_fb_helper.c b/sys/dev/drm2/drm_fb_helper.c
index 2f24ec4..6085227 100644
--- a/sys/dev/drm2/drm_fb_helper.c
+++ b/sys/dev/drm2/drm_fb_helper.c
@@ -555,8 +555,10 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper)
 	for (i = 0; i < helper->connector_count; i++)
 		free(helper->connector_info[i], DRM_MEM_KMS);
 	free(helper->connector_info, DRM_MEM_KMS);
-	for (i = 0; i < helper->crtc_count; i++)
+	for (i = 0; i < helper->crtc_count; i++) {
+		drm_mode_destroy(helper->dev, helper->crtc_info[i].mode_set.mode);
 		free(helper->crtc_info[i].mode_set.connectors, DRM_MEM_KMS);
+	}
 	free(helper->crtc_info, DRM_MEM_KMS);
 }