diff --git a/SimMuon/GEMDigitizer/src/GEMSimpleModel.cc b/SimMuon/GEMDigitizer/src/GEMSimpleModel.cc
index 71c0677987094..06f3be0a580fe 100644
--- a/SimMuon/GEMDigitizer/src/GEMSimpleModel.cc
+++ b/SimMuon/GEMDigitizer/src/GEMSimpleModel.cc
@@ -39,6 +39,7 @@ GEMSimpleModel::GEMSimpleModel(const edm::ParameterSet& config)
   , bxwidth_(config.getParameter<int>("bxwidth"))
   , minBunch_(config.getParameter<int>("minBunch"))
   , maxBunch_(config.getParameter<int>("maxBunch"))
+  , digitizeOnlyMuons_(config.getParameter<bool>("digitizeOnlyMuons"))
 {
 }