diff --git a/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/mapping/OutboundRow.java b/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/mapping/OutboundRow.java
index a25f82512b..c9583a4727 100644
--- a/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/mapping/OutboundRow.java
+++ b/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/mapping/OutboundRow.java
@@ -227,6 +227,6 @@ public void forEach(BiConsumer<? super SqlIdentifier, ? super Parameter> action)
 	}
 
 	private static Object convertKeyIfNecessary(Object key) {
-		return key instanceof String string ? SqlIdentifier.unquoted(string) : key;
+		return key instanceof String keyString ? SqlIdentifier.unquoted(keyString) : key;
 	}
 }