diff --git a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/columns/InternalAbundanceColumnDefinition.java b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/columns/InternalAbundanceColumnDefinition.java
index a932a844e8abdd9190592d60853df42478c631b1..afd5e1c1de2fc9b44ebf9fb2294a8dd2ae36b253 100644
--- a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/columns/InternalAbundanceColumnDefinition.java
+++ b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/columns/InternalAbundanceColumnDefinition.java
@@ -24,7 +24,7 @@ import ch.systemsx.cisd.openbis.plugin.phosphonetx.shared.basic.dto.ProteinInfo;
 
 public final class InternalAbundanceColumnDefinition extends AbstractColumnDefinition<ProteinInfo>
 {
-    private static final Double ZERO = new Double(1e-9);
+    private static final Double ZERO = new Double(1e-40);
 
     private long sampleID;