diff --git a/iso.conf b/iso.conf
index 7577abd..19f688d 100644
--- a/iso.conf
+++ b/iso.conf
@@ -19,7 +19,7 @@ CONFIG_BT_BUF_ACL_TX_SIZE=251
 CONFIG_BT_BUF_EVT_DISCARDABLE_SIZE=255
 CONFIG_BT_CTLR_ASSERT_HANDLER=y
 #CONFIG_BT_MAX_CONN=16
-CONFIG_BT_TINYCRYPT_ECC=n
+#CONFIG_BT_TINYCRYPT_ECC=n
 CONFIG_BT_CTLR_DTM_HCI=n
 
 # Setup ISO Buffer
diff --git a/prj.conf b/prj.conf
index 7e40f8b..0ad4858 100644
--- a/prj.conf
+++ b/prj.conf
@@ -17,7 +17,7 @@ CONFIG_BT_BUF_CMD_TX_SIZE=255
 CONFIG_BT_BUF_EVT_DISCARDABLE_SIZE=255
 CONFIG_BT_CTLR_ASSERT_HANDLER=y
 CONFIG_BT_MAX_CONN=16
-CONFIG_BT_TINYCRYPT_ECC=n
+#CONFIG_BT_TINYCRYPT_ECC=n
 CONFIG_BT_CTLR_DTM_HCI=y
 
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=512