diff --git a/mrmShared/src/mrmSeq.cpp b/mrmShared/src/mrmSeq.cpp
index c396d2c9e..9bb16949a 100644
--- a/mrmShared/src/mrmSeq.cpp
+++ b/mrmShared/src/mrmSeq.cpp
@@ -697,6 +697,8 @@ void SoftSequence::commit()
                              conf.times.size());
     conf.codes.resize(buflen);
     conf.times.resize(buflen);
+    conf.enables.resize(buflen);
+    conf.masks.resize(buflen);
 
     // ensure presence of trailing end of sequence marker event 0x7f
     if(conf.codes.empty() || conf.codes.back()!=0x7f)