diff --git a/snap7/util/db.py b/snap7/util/db.py
index 6996d89b..1ffc1269 100644
--- a/snap7/util/db.py
+++ b/snap7/util/db.py
@@ -154,9 +154,9 @@ def parse_specification(db_specification: str) -> Dict[str, Any]:
         if line and not line.lstrip().startswith("#"):
             index, *notUsed, _type = line.lstrip().split("#")[0].split()
 
-            match = re.compile(r'(\s*)(\S+)(\s*)').findall(line)
+            match = re.compile(r"(\s*)(\S+)(\s*)").findall(line)
             
-            var_name = ''.join([m[0] + m[1] + m[2] for m in match[1:-1]])
+            var_name = "".join([m[0] + m[1] + m[2] for m in match[1:-1]])
             var_name = var_name.strip()
 
             parsed_db_specification[var_name] = (index, _type)
diff --git a/tests/test_util.py b/tests/test_util.py
index bd41bfca..e1e08cc7 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -456,11 +456,12 @@ def test_db_creation_vars_with_whitespace(self) -> None:
 
         test_db = DB(1, test_array, test_spec, row_size=len(_bytearray), size=1, layout_offset=0, db_offset=0)
 
-        exp = test_db.export()
+        db_export = test_db.export()
 
-        self.assertTrue("testZeroSpaces" in exp[0].keys())
-        self.assertTrue("testOne Space" in exp[0].keys())
-        self.assertTrue("testTWo  Spaces" in exp[0].keys())
+        for i in db_export:
+            self.assertTrue("testZeroSpaces" in db_export[i].keys())
+            self.assertTrue("testOne Space" in db_export[i].keys())
+            self.assertTrue("testTWo  Spaces" in db_export[i].keys())
 
 
     def test_db_export(self) -> None: