diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2f6a861b..a842fe34 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -32,6 +32,7 @@ jobs:
 
     - run: python3 $PWD/scripts/build_all_examples.py
     - run: python3 $PWD/testsuite/run.py
+    - run: python3 $PWD/scripts/check_readme.py
 
   win-build:
     name: Build and test on Windows
diff --git a/scripts/check_readme.py b/scripts/check_readme.py
new file mode 100755
index 00000000..d98d29a6
--- /dev/null
+++ b/scripts/check_readme.py
@@ -0,0 +1,37 @@
+#! /usr/bin/env python3
+
+import os
+import sys
+import config
+import config.user_input.console
+from build_all_examples import run_program
+
+from config.boards import list_of_boards
+
+script_dir = os.path.dirname(__file__)
+ADL_root_dir = os.path.abspath(os.path.join(script_dir, ".."))
+top_readme_file = os.path.join(ADL_root_dir, "README.md")
+
+undocumented = []
+
+error = \
+"""Next boards were not mentioned in the top README.md file!
+Please, append each of them to the table in the Board List section.
+"""
+
+with open(top_readme_file, 'r', encoding='utf-8') as file:
+    lines = [line for line in file]
+
+# No error on Custom_Board:
+lines.append("[Custom_Board]")
+
+for board in list_of_boards():
+    text = f"[{board}]"
+    found = [line for line in lines if text in line]
+    if not found:
+        undocumented.append(board)
+
+if undocumented:
+    print(error)
+    print(undocumented)
+    sys.exit(1)