--- MuseScore-3.5.0/mscore/scoreview.cpp.orig	2020-08-05 06:42:01.000000000 -0600
+++ MuseScore-3.5.0/mscore/scoreview.cpp	2020-08-07 17:23:39.074649904 -0600
@@ -2661,9 +2661,10 @@ void ScoreView::cmd(const char* s)
                   cv->updateGrips();
                   }},
       #ifdef OMR
-            {{"show-omr"}, [](ScoreView* cv, const QByteArray&) {
-                  if (cv->score()->masterScore()->omr())
-                        showOmr(!_score->masterScore()->showOmr());
+            {{"show-omr"}, [&](ScoreView* cv, const QByteArray&) {
+                  MasterScore* sc = cv->score()->masterScore();
+                  if (sc->omr())
+                        showOmr(!sc->showOmr());
                   }},
       #endif
             {{"split-measure"}, [](ScoreView* cv, const QByteArray&) {
--- MuseScore-3.5.0/omr/pattern.h.orig	2020-08-05 06:42:01.000000000 -0600
+++ MuseScore-3.5.0/omr/pattern.h	2020-08-07 16:36:57.526221293 -0600
@@ -24,7 +24,6 @@
 
 namespace Ms {
 
-enum class SymId;
 class Sym;
 
 //---------------------------------------------------------