diff --git a/srtcore/srt.h b/srtcore/srt.h
index 5317720db..30be3e061 100644
--- a/srtcore/srt.h
+++ b/srtcore/srt.h
@@ -161,6 +161,10 @@ static const int32_t SRTGROUP_MASK = (1 << 30);
    typedef int SYSSOCKET;
 #endif
 
+#ifndef ENABLE_EXPERIMENTAL_BONDING
+#define ENABLE_EXPERIMENTAL_BONDING 0
+#endif
+
 typedef SYSSOCKET UDPSOCKET;