diff --git a/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/KpaHistologieDataMapper.java b/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/KpaHistologieDataMapper.java
index b1a67fa..0d4923a 100644
--- a/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/KpaHistologieDataMapper.java
+++ b/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/KpaHistologieDataMapper.java
@@ -92,7 +92,7 @@ public class KpaHistologieDataMapper extends AbstractSubformDataMapper<Histology
                                                     .id(resultSet.getId().toString())
                                                     .patient(resultSet.getPatientReference())
                                                     .specimen(Reference.builder().id(osMolGen.getId().toString()).type("Specimen").build())
-                                                    .value(resultSet.getLong("tumorzellgehalt"))
+                                                    .value(resultSet.getLong("tumorzellgehalt") / 100.0)
                                                     // TODO: Nicht in OS.Molekulargenetik
                                                     .method(TumorCellContentMethodCoding.builder().code(TumorCellContentMethodCodingCode.HISTOLOGIC).build())
                                                     .build()
diff --git a/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/KpaMolekulargenetikDataMapper.java b/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/KpaMolekulargenetikDataMapper.java
index f16ec85..0056f2d 100644
--- a/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/KpaMolekulargenetikDataMapper.java
+++ b/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/KpaMolekulargenetikDataMapper.java
@@ -104,7 +104,7 @@ public class KpaMolekulargenetikDataMapper implements DataMapper<SomaticNgsRepor
                             .id(resultSet.getId().toString())
                             .patient(resultSet.getPatientReference())
                             .specimen(Reference.builder().id(resultSet.getString("einsendenummer")).type("Specimen").build())
-                            .value(resultSet.getLong("tumorzellgehalt"))
+                            .value(resultSet.getLong("tumorzellgehalt") / 100.0)
                             // TODO: Missing in OS.Molekulargenetik
                             .method(TumorCellContentMethodCoding.builder().code(TumorCellContentMethodCodingCode.HISTOLOGIC).build())
                             .build()