diff --git a/src/Solver/Mage.py b/src/Solver/Mage.py
index 7da2328a22d6a22bba0d20a06295afcae74cd9a3..dc95c510a6bf24cd3366a7d00dacb940fb9e6e57 100644
--- a/src/Solver/Mage.py
+++ b/src/Solver/Mage.py
@@ -1231,7 +1231,6 @@ class Mage8(Mage):
         return results
 
 
-
 class MageFake7(Mage8):
     _type = "mage_fake7"
 
diff --git a/src/config.py b/src/config.py
index f18708d79326f1e5dce6ca10c29de870602fab45..9258486d8f78f2ea111a9283d28df514977951da 100644
--- a/src/config.py
+++ b/src/config.py
@@ -37,7 +37,7 @@ logger = logging.getLogger()
 
 class Config(SQL):
     def __init__(self):
-        self._version = '0.0.4'
+        self._version = '0.0.5'
         self.filename = Config.filename()
         self.set_default_value()
 
@@ -132,6 +132,28 @@ class Config(SQL):
                         "VALUES ('last_solver_name', '')"
                     )
 
+                if int(release) < 5:
+                    posix = os.name == 'posix'
+                    ext = "" if posix else ".exe"
+
+                    self.execute(
+                        "UPDATE solver SET cmd_solver=" +
+                        f"'@install_dir/mage8/mage{ext} @args @input' "
+                        "WHERE name='default-mage'"
+                    )
+
+                    self.execute(f"""
+                      INSERT INTO solver VALUES (
+                        'mage_fake7',
+                        'default-mage-fake-7',
+                        'Default Pamhyr2 mage fake version 7',
+                        '', '', '',
+                        '',
+                        '@install_dir/mage8/mage_as7{ext} @args @input',
+                        ''
+                      )
+                    """)
+
             self.execute(
                 f"UPDATE info SET value='{self._version}' " +
                 "WHERE key='version'"
@@ -296,7 +318,8 @@ class Config(SQL):
         ctor = solver_type_list["mage_fake7"]
         new = ctor("default-mage-fake-7")
         new._description = "Default Pamhyr2 mage fake version 7"
-        new._cmd_solver = f""""@install_dir/mage8/mage_as7{ext}" @args @input"""
+        new._cmd_solver = f"""\
+"@install_dir/mage8/mage_as7{ext}" @args @input"""
         self._solvers.append(new)
 
         # Backup