diff --git a/build.py b/build.py
new file mode 100644
index 0000000..da4c60d
--- /dev/null
+++ b/build.py
@@ -0,0 +1,46 @@
+import os
+import sys
+import shutil
+import subprocess
+import PyInstaller.__main__
+
+# Initialize constants
+SCRIPT = "refactor.py"
+ICON = "assets/icon.ico"
+NAME = "cod_api_tool"
+DIST_PATH = "bin/build"
+
+# Get absolute paths to data files
+script_dir = os.path.abspath(os.path.dirname(__file__))
+charset_normalizer_data = os.path.join('deps', 'frequencies.json')
+replacements_json = os.path.join(script_dir, 'data', 'replacements.json')
+
+# Verify replacements.json exists before building
+if not os.path.exists(replacements_json):
+    print(f"ERROR: {replacements_json} not found. Make sure this file exists.")
+    sys.exit(1)
+
+# Activate the virtual environment
+venv_activation_script = os.path.join(os.getcwd(), 'venv', 'Scripts', 'activate')
+subprocess.call(venv_activation_script, shell=True)
+
+# Run PyInstaller
+PyInstaller.__main__.run([
+    SCRIPT,
+    '--name', NAME,
+    '--noconfirm',
+    '--onefile',
+    '--console',
+    '--icon', ICON,
+    '--distpath', DIST_PATH,
+    # This is the correct way to add the data file - preserve the directory structure
+    '--add-data', f"{charset_normalizer_data};charset_normalizer/assets",
+    '--add-data', f"{replacements_json};data"  # Note: using 'data' as the destination folder
+])
+
+# Clean up the build directory and spec file
+shutil.rmtree('build')
+os.remove(f'{NAME}.spec')
+
+print(f"Build completed successfully. Executable is in {DIST_PATH}/{NAME}.exe")
+input("Press Enter to continue...")
\ No newline at end of file
diff --git a/utils/build.bat b/utils/build.bat
deleted file mode 100644
index 0a8d713..0000000
--- a/utils/build.bat
+++ /dev/null
@@ -1,10 +0,0 @@
-@echo off
-
-cd /d %~dp0  :: Change directory to the location of this batch file
-call ../venv/Scripts/activate  :: Activate the virtual environment
-pyinstaller --noconfirm --onefile --console --icon "../assets/icon.ico" cod_api_tool.py --distpath="../build/bin" -n "cod_api_tool"
-
-rmdir /s /q build
-del /q "cod_api_tool.spec"
-
-pause
diff --git a/utils/build.py b/utils/build.py
deleted file mode 100644
index a87bb13..0000000
--- a/utils/build.py
+++ /dev/null
@@ -1,36 +0,0 @@
-import os
-import shutil
-import subprocess
-import PyInstaller.__main__
-
-# Constants for your project
-SCRIPT = "cod_api_tool.py"
-ICON = "assets/icon.ico"
-NAME = "cod_api_tool"
-DIST_PATH = "bin"
-
-# Path to the 'frequencies.json' file within the charset_normalizer package
-charset_normalizer_data = os.path.join('deps', 'frequencies.json')
-
-# Activate the virtual environment
-venv_activation_script = os.path.join(os.getcwd(), 'venv', 'Scripts', 'activate')
-subprocess.call(venv_activation_script, shell=True)
-
-# Run PyInstaller
-PyInstaller.__main__.run([
-    SCRIPT,
-    '--name', NAME,
-    '--noconfirm',
-    '--onefile',
-    '--console',
-    '--icon', ICON,
-    '--distpath', DIST_PATH,
-    '--add-data', f"{charset_normalizer_data};charset_normalizer/assets"
-])
-
-# Clean up the build directory and spec file
-shutil.rmtree('build', ignore_errors=True)
-os.remove('cod_api_tool.spec')
-
-# Optional: Pause at the end (like the 'pause' in batch script)
-input("Press Enter to continue...")