diff --git a/rtd_phosphonetx/source/core-plugins/proteomics-optional/1/as/initialize-master-data.py b/rtd_phosphonetx/source/core-plugins/proteomics-optional/1/as/initialize-master-data.py
index 1849ebc8f7fde57d89f78af628029010a471d34a..43f0b50e81c77562790df479c96ccb34d1ba4623 100644
--- a/rtd_phosphonetx/source/core-plugins/proteomics-optional/1/as/initialize-master-data.py
+++ b/rtd_phosphonetx/source/core-plugins/proteomics-optional/1/as/initialize-master-data.py
@@ -28,12 +28,7 @@ file_type_WIFF.setDescription('Proprieatry file format for Sciex and Agilent mas
 file_type_ZIP = tr.getOrCreateNewFileFormatType('ZIP')
 file_type_ZIP.setDescription('A zipped package')
 
-vocabulary_term_TREATMENT_TYPE_PH = tr.createNewVocabularyTerm('PH')
-vocabulary_term_TREATMENT_TYPE_PH.setDescription(None)
-vocabulary_term_TREATMENT_TYPE_PH.setUrl(None)
-vocabulary_term_TREATMENT_TYPE_PH.setLabel('ph')
-vocabulary_term_TREATMENT_TYPE_PH.setOrdinal(1)
-vocabulary_TREATMENT_TYPE.addTerm(vocabulary_term_TREATMENT_TYPE_PH)
+vocabulary_TREATMENT_TYPE = tr.getVocabulary('TREATMENT_TYPE')
 
 exp_type_BIOLOGICAL_EXPERIMENT = tr.getOrCreateNewExperimentType('BIOLOGICAL_EXPERIMENT')
 exp_type_BIOLOGICAL_EXPERIMENT.setDescription('A biological experiment')