diff --git a/umac/dfs/core/src/dfs_etsi_precac.h b/umac/dfs/core/src/dfs_etsi_precac.h
index 18544c139da7..59c449b9bd7d 100644
--- a/umac/dfs/core/src/dfs_etsi_precac.h
+++ b/umac/dfs/core/src/dfs_etsi_precac.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
  * Copyright (c) 2007-2008 Sam Leffler, Errno Consulting
  * All rights reserved.
  *
@@ -87,6 +87,22 @@ static inline void dfs_reset_etsiprecaclists(struct wlan_dfs *dfs)
 }
 #endif
 
+/**
+ * dfs_add_to_etsi_precac_required_list()- Add channel to ETSI PreCAC Required
+ * list.
+ *
+ * @dfs: Pointer to wlan_dfs structure.
+ * @chan: Pointer to channel to be added to ETSI PreCAC Required List.
+ */
+#if defined(QCA_SUPPORT_ETSI_PRECAC_DFS)
+void dfs_add_to_etsi_precac_required_list(struct wlan_dfs *dfs, uint8_t *chan);
+#else
+static inline void dfs_add_to_etsi_precac_required_list(struct wlan_dfs *dfs,
+							uint8_t *chan)
+{
+}
+#endif
+
 /**
  * dfs_deinit_etsi_precac_list() - Clears the etsi precac list.
  * @dfs: Pointer to wlan_dfs dtructure.
diff --git a/umac/dfs/core/src/misc/dfs.c b/umac/dfs/core/src/misc/dfs.c
index fa0ea7c5e5db..d69592f7beda 100644
--- a/umac/dfs/core/src/misc/dfs.c
+++ b/umac/dfs/core/src/misc/dfs.c
@@ -255,9 +255,9 @@ void dfs_detach(struct wlan_dfs *dfs)
 	dfs_timer_detach(dfs);
 	if (!dfs->dfs_is_offload_enabled)
 		dfs_main_detach(dfs);
-	dfs_etsi_precac_detach(dfs);
 	dfs_zero_cac_detach(dfs);
 	dfs_nol_detach(dfs);
+	dfs_etsi_precac_detach(dfs);
 }
 
 #ifndef WLAN_DFS_STATIC_MEM_ALLOC
diff --git a/umac/dfs/core/src/misc/dfs_nol.c b/umac/dfs/core/src/misc/dfs_nol.c
index f135f5c05dd7..b064bee20403 100644
--- a/umac/dfs/core/src/misc/dfs_nol.c
+++ b/umac/dfs/core/src/misc/dfs_nol.c
@@ -251,6 +251,8 @@ static os_timer_func(dfs_remove_from_nol)
 	chan = utils_dfs_freq_to_chan(delfreq);
 	dfs_debug(dfs, WLAN_DEBUG_DFS_NOL,
 		    "remove channel %d from nol", chan);
+	utils_dfs_add_to_etsi_precac_required_list(dfs->dfs_pdev_obj,
+						   &chan);
 	utils_dfs_reg_update_nol_ch(dfs->dfs_pdev_obj,
 				    &chan, 1, DFS_NOL_RESET);
 	utils_dfs_save_nol(dfs->dfs_pdev_obj);
diff --git a/umac/dfs/dispatcher/inc/wlan_dfs_utils_api.h b/umac/dfs/dispatcher/inc/wlan_dfs_utils_api.h
index f6f6ed0043f7..134ea6d36ad6 100644
--- a/umac/dfs/dispatcher/inc/wlan_dfs_utils_api.h
+++ b/umac/dfs/dispatcher/inc/wlan_dfs_utils_api.h
@@ -145,6 +145,23 @@ static inline QDF_STATUS utils_dfs_reset_etsi_precaclists(
 }
 #endif
 
+/** utils_dfs_add_to_etsi_precac_required_list() - Add channel to ETSI PreCAC
+ * Required list.
+ * @pdev: Pointer to DFS pdev object.
+ * @chan: Pointer to channel to be added to ETSI PreCAC Required List.
+ *
+ * Return: void
+ */
+#ifdef QCA_SUPPORT_ETSI_PRECAC_DFS
+void utils_dfs_add_to_etsi_precac_required_list(struct wlan_objmgr_pdev *pdev,
+						uint8_t *chan);
+#else
+static inline void
+utils_dfs_add_to_etsi_precac_required_list(struct wlan_objmgr_pdev *pdev,
+					   uint8_t *chan)
+{
+}
+#endif
 /**
  * utils_dfs_cancel_precac_timer() - Cancel the precac timer.
  * @pdev: Pointer to DFS pdev object.
diff --git a/umac/dfs/dispatcher/src/wlan_dfs_utils_api.c b/umac/dfs/dispatcher/src/wlan_dfs_utils_api.c
index 39665054d907..242162d5d2b0 100644
--- a/umac/dfs/dispatcher/src/wlan_dfs_utils_api.c
+++ b/umac/dfs/dispatcher/src/wlan_dfs_utils_api.c
@@ -115,6 +115,20 @@ QDF_STATUS utils_dfs_reset_etsi_precaclists(struct wlan_objmgr_pdev *pdev)
 }
 
 qdf_export_symbol(utils_dfs_reset_etsi_precaclists);
+
+void utils_dfs_add_to_etsi_precac_required_list(struct wlan_objmgr_pdev *pdev,
+						uint8_t *chan)
+{
+	struct wlan_dfs *dfs;
+
+	dfs = wlan_pdev_get_dfs_obj(pdev);
+	if (!dfs)
+		return;
+
+	dfs_add_to_etsi_precac_required_list(dfs, chan);
+}
+
+qdf_export_symbol(utils_dfs_add_to_etsi_precac_required_list);
 #endif
 
 QDF_STATUS utils_dfs_cancel_precac_timer(struct wlan_objmgr_pdev *pdev)