diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/coopassets/HsOfficeCoopAssetsTransactionEntity.java b/src/main/java/net/hostsharing/hsadminng/hs/office/coopassets/HsOfficeCoopAssetsTransactionEntity.java
index 0f2a17d8..a0b7da69 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/coopassets/HsOfficeCoopAssetsTransactionEntity.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/coopassets/HsOfficeCoopAssetsTransactionEntity.java
@@ -50,11 +50,10 @@ public class HsOfficeCoopAssetsTransactionEntity implements Stringifyable, BaseE
             .withProp(HsOfficeCoopAssetsTransactionEntity::getAssetValue)
             .withProp(HsOfficeCoopAssetsTransactionEntity::getReference)
             .withProp(HsOfficeCoopAssetsTransactionEntity::getComment)
-            // FIXME: try short form with just method reference
-            .withProp(at -> ofNullable(at.getRevertedAssetTx()).map(HsOfficeCoopAssetsTransactionEntity::toShortString).orElse(null))
-            .withProp(at -> ofNullable(at.getAssetReversalTx()).map(HsOfficeCoopAssetsTransactionEntity::toShortString).orElse(null))
-            .withProp(at -> ofNullable(at.getAssetAdoptionAssetTx()).map(HsOfficeCoopAssetsTransactionEntity::toShortString).orElse(null))
-            .withProp(at -> ofNullable(at.getAssetTransferTx()).map(HsOfficeCoopAssetsTransactionEntity::toShortString).orElse(null))
+            .withProp(HsOfficeCoopAssetsTransactionEntity::getRevertedAssetTx)
+            .withProp(HsOfficeCoopAssetsTransactionEntity::getAssetReversalTx)
+            .withProp(HsOfficeCoopAssetsTransactionEntity::getAssetAdoptionAssetTx)
+            .withProp(HsOfficeCoopAssetsTransactionEntity::getAssetTransferTx)
             .quotedValues(false);
 
     @Id
diff --git a/src/main/java/net/hostsharing/hsadminng/repr/Stringify.java b/src/main/java/net/hostsharing/hsadminng/repr/Stringify.java
index aaa3ea73..f1e1c709 100644
--- a/src/main/java/net/hostsharing/hsadminng/repr/Stringify.java
+++ b/src/main/java/net/hostsharing/hsadminng/repr/Stringify.java
@@ -80,12 +80,6 @@ public final class Stringify<B> {
                 .map(prop -> PropertyValue.of(prop, prop.getter.apply(object)))
                 .filter(Objects::nonNull)
                 .filter(PropertyValue::nonEmpty)
-                .map(propVal -> {
-                    if (propVal.rawValue instanceof Stringifyable stringifyable) {
-                        return new PropertyValue<>(propVal.prop, propVal.rawValue, stringifyable.toShortString());
-                    }
-                    return propVal;
-                })
                 .map(propVal -> propName(propVal, "=") + optionallyQuoted(propVal))
                 .collect(Collectors.joining(separator));
         return idProp != null
@@ -131,7 +125,11 @@ public final class Stringify<B> {
     private record PropertyValue<B>(Property<B> prop, Object rawValue, String value) {
 
         static <B> PropertyValue<B> of(Property<B> prop, Object rawValue) {
-            return rawValue != null ? new PropertyValue<>(prop, rawValue, rawValue.toString()) : null;
+            return rawValue != null ? new PropertyValue<>(prop, rawValue, toStringOrShortString(rawValue)) : null;
+        }
+
+        private static String toStringOrShortString(final Object rawValue) {
+            return rawValue instanceof Stringifyable stringifyable ? stringifyable.toShortString() : rawValue.toString();
         }
 
         boolean nonEmpty() {