diff --git a/src/utils/handlers.py b/src/utils/handlers.py
index 9530e83..96f4d72 100644
--- a/src/utils/handlers.py
+++ b/src/utils/handlers.py
@@ -156,6 +156,17 @@ class BuildHandler(ABC):
     def clean_repo(self) -> None:
         self.container.exec_run(self.clean_cmd())
 
+    def inject_changes(self, changes: dict[str, str]):
+        for file_path, change in changes.items():
+            full_path = os.path.join(self.path, file_path)
+            print(f"[INFO] Writing change to {full_path}")
+            dirname = os.path.dirname(full_path)
+            if not os.path.exists(dirname):
+                print(f"[INFO] Creating directory {dirname}")
+                os.makedirs(dirname)
+            with open(full_path, "w") as f:
+                f.write(change)
+
     @abstractmethod
     def get_type(self) -> str:
         pass
diff --git a/src/utils/process_data.py b/src/utils/process_data.py
index 6197a8f..6ce8a46 100644
--- a/src/utils/process_data.py
+++ b/src/utils/process_data.py
@@ -63,15 +63,7 @@ def evaluate_refinement(answers: dict[str, dict[str, str]], percent_cb):
             )
             continue
 
-        for file_path, change in changes.items():
-            full_path = os.path.join(build_handler.path, file_path)
-            print("[INFO] Writing change to file:", full_path)
-            dirname = os.path.dirname(full_path)
-            if not os.path.exists(dirname):
-                print("[INFO] Creating directory:", dirname)
-                os.makedirs(dirname)
-            with open(full_path, "w") as f:
-                f.write(change)
+        build_handler.inject_changes(changes)
         current_progress += 1
         percent_cb(current_progress / total_number_of_steps * 100)