diff --git a/test_oauth_config.py b/test_oauth_config.py
index 5e00753..b77e8c6 100644
--- a/test_oauth_config.py
+++ b/test_oauth_config.py
@@ -13,14 +13,25 @@ def get_systemd_env_var(var_name):
     """Get environment variable from systemd service"""
     try:
         result = subprocess.run(
-            ['systemctl', 'show', 'pdf-renamer', '-p', f'Environment'],
+            ['systemctl', 'show', 'pdf-renamer', '-p', 'Environment'],
             capture_output=True, text=True, check=True
         )
-        env_lines = result.stdout.strip().split('\n')
-        for line in env_lines:
-            if f'{var_name}=' in line:
-                # Extract the value after the equals sign
-                return line.split('=', 1)[1].strip('"')
+        env_line = result.stdout.strip()
+        if not env_line or '=' not in env_line:
+            return None
+
+        # The Environment line contains: Environment=VAR1=value1 VAR2=value2 ...
+        # Extract everything after the first '='
+        env_string = env_line.split('=', 1)[1]
+
+        # Split by spaces to get individual VAR=value pairs
+        env_pairs = env_string.split()
+
+        # Find the specific variable
+        for pair in env_pairs:
+            if pair.startswith(f'{var_name}='):
+                return pair.split('=', 1)[1]
+
         return None
     except subprocess.CalledProcessError:
         return None