diff --git a/attached_assets/image_1757362240641.png b/attached_assets/image_1757362240641.png
new file mode 100644
index 0000000..5d8f9fc
Binary files /dev/null and b/attached_assets/image_1757362240641.png differ
diff --git a/client/src/pages/Avoirs.tsx b/client/src/pages/Avoirs.tsx
index 9ec7439..ff15463 100644
--- a/client/src/pages/Avoirs.tsx
+++ b/client/src/pages/Avoirs.tsx
@@ -1362,7 +1362,8 @@ export default function Avoirs() {
                         step="0.01" 
                         placeholder="Montant en euros (optionnel)" 
                         {...field}
-                        value={field.value || ""}
+                        value={field.value ?? ""}
+                        onChange={(e) => field.onChange(e.target.value ? parseFloat(e.target.value) : undefined)}
                       />
                     </FormControl>
                     <FormMessage />