diff --git a/server_addon/applications/server/settings.py b/server_addon/applications/server/settings.py
index fd481b6ce8..be9a2ea07e 100644
--- a/server_addon/applications/server/settings.py
+++ b/server_addon/applications/server/settings.py
@@ -115,9 +115,7 @@ class ToolGroupModel(BaseSettingsModel):
     name: str = Field("", title="Name")
     label: str = Field("", title="Label")
     environment: str = Field("{}", title="Environments", widget="textarea")
-    variants: list[ToolVariantModel] = Field(
-        default_factory=ToolVariantModel
-    )
+    variants: list[ToolVariantModel] = Field(default_factory=list)
 
     @validator("environment")
     def validate_json(cls, value):
diff --git a/server_addon/applications/server/version.py b/server_addon/applications/server/version.py
index 485f44ac21..b3f4756216 100644
--- a/server_addon/applications/server/version.py
+++ b/server_addon/applications/server/version.py
@@ -1 +1 @@
-__version__ = "0.1.1"
+__version__ = "0.1.2"