diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/resultset/ScriptProvider.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/resultset/ScriptProvider.java
index 0d9cea433708743fe7ed2c535f48a7ca418f6522..5607b1a113fd85f001adf0229dbd62efcbecd0fa 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/resultset/ScriptProvider.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/resultset/ScriptProvider.java
@@ -105,6 +105,7 @@ public class ScriptProvider extends AbstractCommonTableModelProvider<Script>
             if (false == isFirst)
             {
                 sb.append(", ");
+                isFirst = false;
             }
             sb.append(entityKind.getDescription());
         }