diff --git a/rtd_phosphonetx/sourceTest/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/server/PhosphoNetXClientServiceTest.java b/rtd_phosphonetx/sourceTest/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/server/PhosphoNetXClientServiceTest.java
index 7f671cb5afbc4d5012160e25bd964abc147df07d..6a398321a10f606777aa20eccce6430d295f9ff7 100644
--- a/rtd_phosphonetx/sourceTest/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/server/PhosphoNetXClientServiceTest.java
+++ b/rtd_phosphonetx/sourceTest/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/server/PhosphoNetXClientServiceTest.java
@@ -156,7 +156,7 @@ public class PhosphoNetXClientServiceTest extends AbstractFileSystemTestCase
     @Test
     public void testGetAbundanceColumnDefinitionsForProteinByExperiment()
     {
-        final TechId experimentID = new TechId(42L);
+        final TechId experimentID = new TechId(41L);
         final AbundanceColumnDefinition colDef = new AbundanceColumnDefinition();
         colDef.setSampleCode("S1");
         Treatment treatment = new Treatment();