diff --git a/categorize_transactions.py b/categorize_transactions.py
index 40d6faa..b3046bf 100644
--- a/categorize_transactions.py
+++ b/categorize_transactions.py
@@ -195,8 +195,20 @@ with open(csv_file, "w", newline="", encoding="utf-8") as csvfile:
         delimiter=";"
     )
 
+    csv_export = []
+
+    for row in categorized_transactions:
+        csv_row = row.copy()
+
+        csv_row["amount"] = (
+            f"{float(row['amount']):.2f}"
+            .replace(".", ",")
+        )
+
+        csv_export.append(csv_row)
+
     writer.writeheader()
-    writer.writerows(categorized_transactions)
+    writer.writerows(csv_export)
 
 # --------------------------------------------------
 # JSON exportieren