diff --git a/api/schemas.py b/api/schemas.py
index 0d1d143d7..bd7a086da 100644
--- a/api/schemas.py
+++ b/api/schemas.py
@@ -1414,7 +1414,7 @@ class FeatureFlagSchema(BaseModel):
     flag_type: FeatureFlagType = Field(default=FeatureFlagType.single_variant)
     is_persist: Optional[bool] = Field(default=False)
     is_active: Optional[bool] = Field(default=True)
-    conditions: List[FeatureFlagCondition] = Field(default=[])
+    conditions: List[FeatureFlagCondition] = Field(default=[], min_items=1)
 
     class Config:
         alias_generator = attribute_to_camel_case