1 files changed, 1 insertions, 0 deletions
diff --git a/sub/sd.h b/sub/sd.h
index 0d361edba6..a3085be864 100644
--- a/sub/sd.h
+++ b/sub/sd.h
@@ -87,5 +87,6 @@ struct sd_filter_functions {
 };
 
 extern const struct sd_filter_functions sd_filter_sdh;
+extern const struct sd_filter_functions sd_filter_regex;
 
 #endif