diff --git a/src/main/java/dev/pcvolkmer/onco/datamapper/datacatalogues/AbstractSubformDataCatalogue.java b/src/main/java/dev/pcvolkmer/onco/datamapper/datacatalogues/AbstractSubformDataCatalogue.java
index df12eb7..b66cdd5 100644
--- a/src/main/java/dev/pcvolkmer/onco/datamapper/datacatalogues/AbstractSubformDataCatalogue.java
+++ b/src/main/java/dev/pcvolkmer/onco/datamapper/datacatalogues/AbstractSubformDataCatalogue.java
@@ -28,7 +28,7 @@ public abstract class AbstractSubformDataCatalogue extends AbstractDataCatalogue
      */
     public List<ResultSet> getAllByMainId(int id) {
         var result = this.jdbcTemplate.query(
-                String.format("SELECT * FROM %s JOIN prozedur ON (prozedur.id = %s.id) WHERE hauptprozedur = ?", getTableName(), getTableName()),
+                String.format("SELECT * FROM %s JOIN prozedur ON (prozedur.id = %s.id) WHERE hauptprozedur_id = ?", getTableName(), getTableName()),
                 (resultSet, i) -> resultSet,
                 id);