diff --git a/src/main/java/org/springframework/data/r2dbc/function/DefaultDatabaseClient.java b/src/main/java/org/springframework/data/r2dbc/function/DefaultDatabaseClient.java
index 3aa0881..b363f7b 100644
--- a/src/main/java/org/springframework/data/r2dbc/function/DefaultDatabaseClient.java
+++ b/src/main/java/org/springframework/data/r2dbc/function/DefaultDatabaseClient.java
@@ -245,9 +245,9 @@ class DefaultDatabaseClient implements DatabaseClient, ConnectionAccessor {
 		byIndex.forEach((i, o) -> {
 
 			if (o.getValue() != null) {
-				statement.bind(i, o.getValue());
+				statement.bind(i.intValue(), o.getValue());
 			} else {
-				statement.bindNull(i, o.getType());
+				statement.bindNull(i.intValue(), o.getType());
 			}
 		});