diff --git a/src/compile_custom_magic.py b/src/compile_custom_magic.py
new file mode 100755
index 000000000..3fb5fa7e7
--- /dev/null
+++ b/src/compile_custom_magic.py
@@ -0,0 +1,38 @@
+#! /usr/bin/env python3
+'''
+    Firmware Analysis and Comparison Tool (FACT)
+    Copyright (C) 2015-2019  Fraunhofer FKIE
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+'''
+from pathlib import Path
+
+from common_helper_process import execute_shell_command_get_return_code
+from helperFunctions.install import OperateInDirectory
+
+MIME_DIR = Path(Path(__file__).parent, 'mime')
+
+
+def main():
+    with OperateInDirectory(str(MIME_DIR)):
+        cat_output, cat_code = execute_shell_command_get_return_code('cat custom_* > custommime')
+        file_output, file_code = execute_shell_command_get_return_code('file -C -m custommime')
+        mv_output, mv_code = execute_shell_command_get_return_code('mv -f custommime.mgc ../bin/')
+        if any(code != 0 for code in (cat_code, file_code, mv_code)):
+            exit('Failed to properly compile magic file\n{}'.format('\n'.join((cat_output, file_output, mv_output))))
+        Path('custommime').unlink()
+
+
+if __name__ == '__main__':
+    exit(main())
diff --git a/src/install/backend.py b/src/install/backend.py
index 163820eab..c3f105d77 100644
--- a/src/install/backend.py
+++ b/src/install/backend.py
@@ -4,10 +4,13 @@
 from pathlib import Path
 
 from common_helper_process import execute_shell_command_get_return_code
-
 from compile_yara_signatures import main as compile_signatures
-from helperFunctions.install import apt_remove_packages, apt_install_packages, InstallationError, pip3_install_packages, \
-    install_github_project, pip2_install_packages, pip2_remove_packages, check_string_in_command, OperateInDirectory, load_main_config
+from helperFunctions.install import (
+    InstallationError, OperateInDirectory, apt_install_packages,
+    apt_remove_packages, check_string_in_command, install_github_project,
+    load_main_config, pip2_install_packages, pip2_remove_packages,
+    pip3_install_packages
+)
 
 
 def main(distribution):
@@ -39,13 +42,9 @@ def main(distribution):
     _install_plugins()
 
     # compile custom magic file
-    with OperateInDirectory('../mime'):
-        cat_output, cat_code = execute_shell_command_get_return_code('cat custom_* > custommime')
-        file_output, file_code = execute_shell_command_get_return_code('file -C -m custommime')
-        mv_output, mv_code = execute_shell_command_get_return_code('mv -f custommime.mgc ../bin/')
-        if any(code != 0 for code in (cat_code, file_code, mv_code)):
-            raise InstallationError('Failed to properly compile magic file\n{}'.format('\n'.join((cat_output, file_output, mv_output))))
-        Path('custommime').unlink()
+    mime_output, mime_rc = execute_shell_command_get_return_code('../compile_custom_magic.py')
+    if mime_rc != 0:
+        raise InstallationError(mime_output)
 
     # configure environment
     _edit_sudoers()
@@ -79,7 +78,9 @@ def _edit_environment():
 def _edit_sudoers():
     logging.info('add rules to sudo...')
     username = os.environ['USER']
-    sudoers_content = '\n'.join(('{}\tALL=NOPASSWD: {}'.format(username, command) for command in ('/bin/mount', '/bin/umount', '/bin/mknod', '/usr/local/bin/sasquatch', '/bin/rm', '/bin/cp', '/bin/dd', '/bin/chown')))
+    sudoers_content = '\n'.join(('{}\tALL=NOPASSWD: {}'.format(username, command) for command in (
+        '/bin/mount', '/bin/umount', '/bin/mknod', '/usr/local/bin/sasquatch', '/bin/rm', '/bin/cp', '/bin/dd', '/bin/chown'
+    )))
     Path('/tmp/fact_overrides').write_text('{}\n'.format(sudoers_content))
     chown_output, chown_code = execute_shell_command_get_return_code('sudo chown root:root /tmp/fact_overrides')
     mv_output, mv_code = execute_shell_command_get_return_code('sudo mv /tmp/fact_overrides /etc/sudoers.d/fact_overrides')