diff --git a/src/include/lwip/snmp.h b/src/include/lwip/snmp.h
index ba84e2e7..b142b37d 100644
--- a/src/include/lwip/snmp.h
+++ b/src/include/lwip/snmp.h
@@ -104,7 +104,7 @@ const char * snmp_get_community_write(void);
 const char * snmp_get_community_trap(void);
 void snmp_set_community_write(const char * const community);
 void snmp_set_community_trap(const char * const community);
-#endif /* SNMP_COMMUNITY_EXT
+#endif /* SNMP_COMMUNITY_EXT */
 
 /* system */
 void snmp_set_sysdescr(const u8_t* str, const u8_t* len);