diff --git a/screening/sourceTest/java/ch/systemsx/cisd/openbis/dss/etl/jython/SimpleImageDataSetRegistratorTest.java b/screening/sourceTest/java/ch/systemsx/cisd/openbis/dss/etl/jython/SimpleImageDataSetRegistratorTest.java
index 5cf6007d72d691688a72859ce028dc8238868acc..d4006711c475ff37d795101fb3736e23bb60339e 100644
--- a/screening/sourceTest/java/ch/systemsx/cisd/openbis/dss/etl/jython/SimpleImageDataSetRegistratorTest.java
+++ b/screening/sourceTest/java/ch/systemsx/cisd/openbis/dss/etl/jython/SimpleImageDataSetRegistratorTest.java
@@ -252,7 +252,7 @@ public class SimpleImageDataSetRegistratorTest extends AbstractFileSystemTestCas
         configData.setImageLibrary("MyLibrary");
         assertFalse(configData.isFixedIntensityRangeForAllImagesDefined());
         configData.setDefaultFixedIntensityRangeForAllImages(99, 1001);
-        configData.addFixedIntensityRangeForAllImages("CHANNEL-4", 51,
+        configData.addFixedIntensityRangeForAllImages("channel-4", 51,
                 1017);
         assertTrue(configData.isFixedIntensityRangeForAllImagesDefined());
         DataSetRegistrationDetails<ImageDataSetInformation> actualDetails =