diff --git a/lib/smux.c b/lib/smux.c
index 6285c94..4a3696c 100644
--- a/lib/smux.c
+++ b/lib/smux.c
@@ -24,10 +24,12 @@
 #ifdef HAVE_SNMP
 #ifdef HAVE_NETSNMP
 #include <net-snmp/net-snmp-config.h>
-#endif
+#include <net-snmp/net-snmp-includes.h>
+#else
 #include <asn1.h>
 #include <snmp.h>
 #include <snmp_impl.h>
+#endif
 
 #include "log.h"
 #include "thread.h"