diff --git a/src/parsers/yaml.py b/src/parsers/yaml.py
index 4591c0a86..0b706ca83 100644
--- a/src/parsers/yaml.py
+++ b/src/parsers/yaml.py
@@ -44,14 +44,15 @@ def writeSerializedTypes(value: Tuple[str, any] | any,
         case _:         svalue = str(svalue)
       # Escape control and reserved characters
       # @see https://symfony.com/doc/current/reference/formats/yaml.html
-      reserve_chars = [':', '{', '}', '[', ']', ',', '&', '*', '#', '?',
-                        '|', '-', '<', '>', '=', '!', '%',' @', '`']
-      control_chars = ['\0', '\x01', '\x02', '\x03', '\x04', '\x05',
-                        '\x06', '\a', '\b', '\t', '\n', '\v', '\f', '\r',
-                        '\x0e', '\x0f', '\x10', '\x11', '\x12', '\x13',
-                        '\x14', '\x15', '\x16', '\x17', '\x18', '\x19',
-                        '\x1a', '\e', '\x1c', '\x1d', '\x1e', '\x1f',
-                        r'\N', r'\_', r'\L', r'\P']
+      reserve_chars = [':',     '{',    '}',    '[',    ']',    ',',    '&',
+                       '*',     '#',    '?',    '|',    '-',    '<',    '>',
+                       '=',     '!',    '%',    '@',    '`']
+      control_chars = ['\0',    '\x01', '\x02', '\x03', '\x04', '\x05', '\x06',
+                       '\a',    '\b',   '\t',   '\n',   '\v',   '\f',   '\r',
+                       '\x0e',  '\x0f', '\x10', '\x11', '\x12', '\x13', '\x14',
+                       '\x15',  '\x16', '\x17', '\x18', '\x19', '\x1a', r'\e',
+                       '\x1c',  '\x1d', '\x1e', '\x1f', r'\N',  r'\_',  r'\L',
+                       r'\P']
       if any([c for c in control_chars if c in svalue]):
         svalue = f'"{svalue}"'
       elif any([c for c in reserve_chars if c in svalue]):