diff --git a/ofrak_core/ofrak/core/free_space.py b/ofrak_core/ofrak/core/free_space.py
index 6b6cce3b6..44d01aabf 100644
--- a/ofrak_core/ofrak/core/free_space.py
+++ b/ofrak_core/ofrak/core/free_space.py
@@ -500,7 +500,7 @@ async def modify(self, resource: Resource, config: FreeSpaceModifierConfig):
         # Patch in the patch_data
         await parent.run(BinaryPatchModifier, BinaryPatchConfig(patch_offset, patch_data))
 
-	free_offset = len(config.fill) if config.fill else 0
+        free_offset = len(config.fill) if config.fill else 0
 
         # Create the FreeSpace child
         await parent.create_child_from_view(