diff --git a/isisd/topology/spacyc.c b/isisd/topology/spacyc.c
index 8531447..91a4799 100644
--- a/isisd/topology/spacyc.c
+++ b/isisd/topology/spacyc.c
@@ -1,3 +1,4 @@
+#include <zebra.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>