diff --git a/include/haproxy/thread.h b/include/haproxy/thread.h
index 6590706ee..67ceba30f 100644
--- a/include/haproxy/thread.h
+++ b/include/haproxy/thread.h
@@ -125,6 +125,10 @@ static inline void thread_harmless_end()
 {
 }
 
+static inline void thread_harmless_end_sig()
+{
+}
+
 static inline void thread_isolate()
 {
 }