diff --git a/.changelog/35.fixed.md b/.changelog/35.fixed.md
new file mode 100644
index 0000000..0ad8fa0
--- /dev/null
+++ b/.changelog/35.fixed.md
@@ -0,0 +1 @@
+Fixed crash inside the unreal feature when pre_tasks is not set
diff --git a/src/generator/features/unreal.py b/src/generator/features/unreal.py
index eff59f9..233d4d9 100644
--- a/src/generator/features/unreal.py
+++ b/src/generator/features/unreal.py
@@ -62,7 +62,7 @@ class UnrealBuildGraphConfig(BaseModel):
         description="Properties to pass to build graph. These are passed as -set:PropertyName=PropertyValue arguments.",
     )
     pre_tasks: Optional[List[str]] = Field(
-        default=None,
+        default=[],
         description="List of tasks to run before the buildgraph tasks.",
     )