diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
index 8302cf03ac28804cef3ac6e1d759063f925e8e2d..f545c5f9e4e38e8c1d565885b4b60222589b6230 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
@@ -690,7 +690,7 @@ struct iwl_error_resp {
 					  (_color << FW_CTXT_COLOR_POS))
 
 /* Possible actions on PHYs, MACs and Bindings */
-enum {
+enum iwl_phy_ctxt_action {
 	FW_CTXT_ACTION_STUB = 0,
 	FW_CTXT_ACTION_ADD,
 	FW_CTXT_ACTION_MODIFY,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/phy-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/phy-ctxt.c
index 95138830b9f8e4ee8ba83b68278f0478e313f47d..d59efe804356168c0ab87fbb7a3a0633b33666ef 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/phy-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/phy-ctxt.c
@@ -7,6 +7,7 @@
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2017           Intel Deutschland GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -250,12 +251,30 @@ int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 			     struct cfg80211_chan_def *chandef,
 			     u8 chains_static, u8 chains_dynamic)
 {
+	enum iwl_phy_ctxt_action action = FW_CTXT_ACTION_MODIFY;
+
 	lockdep_assert_held(&mvm->mutex);
 
+	/* In CDB mode we cannot modify PHY context between bands so... */
+	if (iwl_mvm_has_new_tx_api(mvm) &&
+	    ctxt->channel->band != chandef->chan->band) {
+		int ret;
+
+		/* ... remove it here ...*/
+		ret = iwl_mvm_phy_ctxt_apply(mvm, ctxt, chandef,
+					     chains_static, chains_dynamic,
+					     FW_CTXT_ACTION_REMOVE, 0);
+		if (ret)
+			return ret;
+
+		/* ... and proceed to add it again */
+		action = FW_CTXT_ACTION_ADD;
+	}
+
 	ctxt->channel = chandef->chan;
 	return iwl_mvm_phy_ctxt_apply(mvm, ctxt, chandef,
 				      chains_static, chains_dynamic,
-				      FW_CTXT_ACTION_MODIFY, 0);
+				      action, 0);
 }
 
 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt)