diff --git a/builder/frameworks/_embedtxt_files.py b/builder/frameworks/_embedtxt_files.py
index 2ab6f26..5d64c56 100644
--- a/builder/frameworks/_embedtxt_files.py
+++ b/builder/frameworks/_embedtxt_files.py
@@ -1,3 +1,17 @@
+# Copyright 2014-present PlatformIO <contact@platformio.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 from os import SEEK_CUR, SEEK_END
 from os.path import basename, isfile, join
 
@@ -27,17 +41,17 @@ def prepare_files(files):
 
 def extract_files(cppdefines):
     for define in cppdefines:
-        if "EMBED_TXT_FILES" not in define:
+        if "COMPONENT_EMBED_TXTFILES" not in define:
             continue
 
         if not isinstance(define, tuple):
-            print("Warning! EMBED_TXT_FILES config cannot be empty!")
+            print("Warning! COMPONENT_EMBED_TXTFILES macro cannot be empty!")
             return []
 
         with cd(env.subst("$PROJECT_DIR")):
             value = define[1]
             if not isinstance(value, str):
-                print("Warning! EMBED_TXT_FILES config must contain "
+                print("Warning! COMPONENT_EMBED_TXTFILES macro must contain "
                       "a list of files separated by ':'")
                 return []
 
@@ -53,7 +67,7 @@ def extract_files(cppdefines):
 
 def remove_config_define(cppdefines):
     for define in cppdefines:
-        if "EMBED_TXT_FILES" in define:
+        if "COMPONENT_EMBED_TXTFILES" in define:
             env.ProcessUnFlags("-D%s" % "=".join(str(d) for d in define))
             return
 
@@ -81,7 +95,7 @@ env.Append(
 )
 
 flags = env.get("CPPDEFINES")
-if "EMBED_TXT_FILES" in env.Flatten(flags):
+if "COMPONENT_EMBED_TXTFILES" in env.Flatten(flags):
     files = extract_files(flags)
     prepare_files(files)
     embed_files(files)
diff --git a/builder/frameworks/arduino.py b/builder/frameworks/arduino.py
index 56e589f..13d29e3 100644
--- a/builder/frameworks/arduino.py
+++ b/builder/frameworks/arduino.py
@@ -11,6 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 """
 Arduino
 
diff --git a/examples/espidf-aws-iot/platformio.ini b/examples/espidf-aws-iot/platformio.ini
index a8e81b6..ec18ab7 100644
--- a/examples/espidf-aws-iot/platformio.ini
+++ b/examples/espidf-aws-iot/platformio.ini
@@ -13,6 +13,6 @@ framework = espidf
 board = esp32dev
 monitor_speed = 115200
 build_flags =
-  -DEMBED_TXT_FILES=src/private.pem.key:src/certificate.pem.crt:src/aws-root-ca.pem
+  -DCOMPONENT_EMBED_TXTFILES=src/private.pem.key:src/certificate.pem.crt:src/aws-root-ca.pem
   -DCONFIG_WIFI_SSID=\"ESP_AP\"
   -DCONFIG_WIFI_PASSWORD=\"MYPASS\"