diff --git a/wmi/src/wmi_unified_non_tlv.c b/wmi/src/wmi_unified_non_tlv.c
index b77785094f9e..646f0844911e 100644
--- a/wmi/src/wmi_unified_non_tlv.c
+++ b/wmi/src/wmi_unified_non_tlv.c
@@ -402,7 +402,13 @@ static QDF_STATUS send_setup_install_key_cmd_non_tlv(wmi_unified_t wmi_handle,
 	}
 #endif
 
-	qdf_mem_copy(cmd->key_data, param->key_data,
+	/* for big endian host, copy engine byte_swap is enabled
+	 * But the key data content is in network byte order
+	 * Need to byte swap the key data content - so when copy engine
+	 * does byte_swap - target gets key_data content in the correct order
+	 */
+
+	WMI_HOST_IF_MSG_COPY_CHAR_ARRAY(cmd->key_data, param->key_data,
 			cmd->key_len);
 
 	return wmi_unified_cmd_send(wmi_handle, buf, len,