1 files changed, 16 insertions, 5 deletions
diff --git a/src/track/beatmap.h b/src/track/beatmap.h
index 6ada9fd907..1ad9232dcc 100644
--- a/src/track/beatmap.h
+++ b/src/track/beatmap.h
@@ -20,7 +20,6 @@ namespace mixxx {
 
 class BeatMap final : public Beats {
   public:
-
     ~BeatMap() override = default;
 
     static BeatsPointer fromByteArray(
@@ -69,15 +68,27 @@ class BeatMap final : public Beats {
     BeatsPointer scale(BpmScale scale) const override;
     BeatsPointer setBpm(mixxx::Bpm bpm) const override;
 
-  private:
-    BeatMap(audio::SampleRate sampleRate,
+    ////////////////////////////////////////////////////////////////////////////
+    // Hidden constructors
+    ////////////////////////////////////////////////////////////////////////////
+
+    BeatMap(
+            MakeSharedTag,
+            audio::SampleRate sampleRate,
             const QString& subVersion,
             BeatList beats,
             mixxx::Bpm nominalBpm);
     // Constructor to update the beat map
-    BeatMap(const BeatMap& other, BeatList beats, mixxx::Bpm nominalBpm);
-    BeatMap(const BeatMap& other);
+    BeatMap(
+            MakeSharedTag,
+            const BeatMap& other,
+            BeatList beats,
+            mixxx::Bpm nominalBpm);
+    BeatMap(
+            MakeSharedTag,
+            const BeatMap& other);
 
+  private:
     bool isValid() const override;
 
     const QString m_subVersion;