diff --git a/cwPianoScore.cpp b/cwPianoScore.cpp
index 622f916..3be6036 100644
--- a/cwPianoScore.cpp
+++ b/cwPianoScore.cpp
@@ -180,6 +180,7 @@ namespace cw
       
       if( score_fl )
       {
+        e->loc = kInvalidId;
         if((rc = getv(csvH,"oloc",e->loc )) != kOkRC )
         {
           rc = cwLogError(rc,"Error parsing CSV.");