diff --git a/cfg/transducerers.properties b/cfg/transducerers.properties
index 5aaa938..8de180f 100644
--- a/cfg/transducerers.properties
+++ b/cfg/transducerers.properties
@@ -13,4 +13,5 @@ OCCURRENCES_DUPLICATES_DELETER=org.gcube.dataanalysis.ecoengine.transducers.Occu
 OCCURRENCES_SUBTRACTION=org.gcube.dataanalysis.ecoengine.transducers.OccurrencePointsSubtraction
 BIONYM=org.gcube.dataanalysis.executor.nodes.transducers.bionym.BionymTransducer
 BIONYM_LOCAL=org.gcube.dataanalysis.executor.nodes.transducers.bionym.BionymLocalTransducer
-SGVM_INTERPOLATION=org.gcube.dataanalysis.executor.rscripts.SGVMS_Interpolation
\ No newline at end of file
+SGVM_INTERPOLATION=org.gcube.dataanalysis.executor.rscripts.SGVMS_Interpolation
+KNITR_COMPILER=org.gcube.dataanalysis.executor.rscripts.KnitrCompiler
\ No newline at end of file