diff --git a/isisd/isis_nb_config.c b/isisd/isis_nb_config.c
index dbe4a017bc..e0decf48f2 100644
--- a/isisd/isis_nb_config.c
+++ b/isisd/isis_nb_config.c
@@ -54,8 +54,6 @@
 #include "isisd/isis_dr.h"
 #include "isisd/isis_zebra.h"
 
-DEFINE_MTYPE_STATIC(ISISD, ISIS_PLIST_NAME, "ISIS prefix-list name");
-
 /*
  * XPath: /frr-isisd:isis/instance
  */
diff --git a/isisd/isisd.c b/isisd/isisd.c
index bce3dbb77b..54e6be5970 100644
--- a/isisd/isisd.c
+++ b/isisd/isisd.c
@@ -90,6 +90,7 @@ DEFINE_MTYPE_STATIC(ISISD, ISIS_NAME, "ISIS process name");
 DEFINE_MTYPE_STATIC(ISISD, ISIS_AREA, "ISIS area");
 DEFINE_MTYPE(ISISD, ISIS_AREA_ADDR,   "ISIS area address");
 DEFINE_MTYPE(ISISD, ISIS_ACL_NAME,    "ISIS access-list name");
+DEFINE_MTYPE(ISISD, ISIS_PLIST_NAME, "ISIS prefix-list name");
 
 DEFINE_QOBJ_TYPE(isis_area);
 
@@ -565,6 +566,11 @@ void isis_area_destroy(struct isis_area *area)
 
 	area_mt_finish(area);
 
+	if (area->rlfa_plist_name[0])
+		XFREE(MTYPE_ISIS_PLIST_NAME, area->rlfa_plist_name[0]);
+	if (area->rlfa_plist_name[1])
+		XFREE(MTYPE_ISIS_PLIST_NAME, area->rlfa_plist_name[1]);
+
 	XFREE(MTYPE_ISIS_AREA, area);
 
 }
diff --git a/isisd/isisd.h b/isisd/isisd.h
index c313fd9ef7..4951e5809b 100644
--- a/isisd/isisd.h
+++ b/isisd/isisd.h
@@ -251,6 +251,7 @@ DECLARE_QOBJ_TYPE(isis_area);
 
 DECLARE_MTYPE(ISIS_ACL_NAME);	/* isis_area->spf_prefix_prioritites */
 DECLARE_MTYPE(ISIS_AREA_ADDR);	/* isis_area->area_addrs */
+DECLARE_MTYPE(ISIS_PLIST_NAME);
 
 DECLARE_HOOK(isis_area_overload_bit_update, (struct isis_area * area), (area));