diff --git a/src/main/java/edu/ie3/datamodel/io/sink/SqlSink.java b/src/main/java/edu/ie3/datamodel/io/sink/SqlSink.java
index 59fe40c1f..06510927d 100644
--- a/src/main/java/edu/ie3/datamodel/io/sink/SqlSink.java
+++ b/src/main/java/edu/ie3/datamodel/io/sink/SqlSink.java
@@ -164,7 +164,7 @@ public <C extends Entity> void persist(C entity, DbGridMetadata identifier)
    * @param identifier identifier of the grid
    * @throws SQLException
    */
-  public <C extends InputEntity> void persistIgnoreNested(C entity, DbGridMetadata identifier)
+  public <C extends Entity> void persistIgnoreNested(C entity, DbGridMetadata identifier)
       throws SQLException {
     insert(entity, identifier);
   }