diff --git a/checkpolicy/policy_define.c b/checkpolicy/policy_define.c
index 4d2d136e..c292eae8 100644
--- a/checkpolicy/policy_define.c
+++ b/checkpolicy/policy_define.c
@@ -38,6 +38,7 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <stdlib.h>
+#include <limits.h>
 
 #include <sepol/policydb/expand.h>
 #include <sepol/policydb/policydb.h>