diff --git a/include/AutomationEditor.h b/include/AutomationEditor.h
index d52f3bc24..fb9586c60 100644
--- a/include/AutomationEditor.h
+++ b/include/AutomationEditor.h
@@ -174,7 +174,7 @@ private:
 	ComboBoxModel m_zoomingYModel;
 	ComboBoxModel m_quantizeModel;
 
-	static const QVector<double> m_zoomXLevels;
+	static const QVector<float> m_zoomXLevels;
 
 	FloatModel * m_tensionModel;
 
diff --git a/include/PianoRoll.h b/include/PianoRoll.h
index cda19cca0..50da94189 100644
--- a/include/PianoRoll.h
+++ b/include/PianoRoll.h
@@ -346,8 +346,8 @@ private:
 	ComboBoxModel m_chordModel;
 	ComboBoxModel m_snapModel;
 
-	static const QVector<double> m_zoomLevels;
-	static const QVector<double> m_zoomYLevels;
+	static const QVector<float> m_zoomLevels;
+	static const QVector<float> m_zoomYLevels;
 
 	Pattern* m_pattern;
 	NoteVector m_ghostNotes;
diff --git a/include/PositionLine.h b/include/PositionLine.h
index d48fd3df1..e9ec8c3d5 100644
--- a/include/PositionLine.h
+++ b/include/PositionLine.h
@@ -37,7 +37,7 @@ public:
 	PositionLine(QWidget* parent);
 
 public slots:
-	void zoomChange(double zoom);
+	void zoomChange(float zoom);
 
 private:
 	void paintEvent(QPaintEvent* pe) override;
@@ -46,4 +46,4 @@ private:
 	QColor m_lineColor;
 };
 
-#endif
\ No newline at end of file
+#endif
diff --git a/include/SongEditor.h b/include/SongEditor.h
index 9c59e3328..6c5f9eb6e 100644
--- a/include/SongEditor.h
+++ b/include/SongEditor.h
@@ -141,7 +141,7 @@ private:
 	ComboBoxModel* m_snappingModel;
 	bool m_proportionalSnap;
 
-	static const QVector<double> m_zoomLevels;
+	static const QVector<float> m_zoomLevels;
 
 	bool m_scrollBack;
 	bool m_smoothScroll;
@@ -161,7 +161,7 @@ private:
 	friend class SongEditorWindow;
 
 signals:
-	void zoomingValueChanged( double );
+	void zoomingValueChanged( float );
 } ;
 
 
diff --git a/src/gui/editors/AutomationEditor.cpp b/src/gui/editors/AutomationEditor.cpp
index ede66760c..ea880529c 100644
--- a/src/gui/editors/AutomationEditor.cpp
+++ b/src/gui/editors/AutomationEditor.cpp
@@ -71,7 +71,7 @@ QPixmap * AutomationEditor::s_toolMove = nullptr;
 QPixmap * AutomationEditor::s_toolYFlip = nullptr;
 QPixmap * AutomationEditor::s_toolXFlip = nullptr;
 
-const QVector<double> AutomationEditor::m_zoomXLevels =
+const QVector<float> AutomationEditor::m_zoomXLevels =
 		{ 0.125f, 0.25f, 0.5f, 1.0f, 2.0f, 4.0f, 8.0f };
 
 
diff --git a/src/gui/editors/PianoRoll.cpp b/src/gui/editors/PianoRoll.cpp
index a8b0b373e..920504819 100644
--- a/src/gui/editors/PianoRoll.cpp
+++ b/src/gui/editors/PianoRoll.cpp
@@ -140,10 +140,10 @@ PianoRoll::PianoRollKeyTypes PianoRoll::prKeyOrder[] =
 
 const int DEFAULT_PR_PPB = DEFAULT_CELL_WIDTH * DefaultStepsPerBar;
 
-const QVector<double> PianoRoll::m_zoomLevels =
+const QVector<float> PianoRoll::m_zoomLevels =
 		{0.125f, 0.25f, 0.5f, 1.0f, 1.5f, 2.0f, 4.0f, 8.0f};
 
-const QVector<double> PianoRoll::m_zoomYLevels =
+const QVector<float> PianoRoll::m_zoomYLevels =
 		{0.25f, 0.5f, 1.0f, 1.5f, 2.0f, 2.5f, 3.0f, 4.0f};
 
 
diff --git a/src/gui/editors/SongEditor.cpp b/src/gui/editors/SongEditor.cpp
index 5a148ff8a..17bac9498 100644
--- a/src/gui/editors/SongEditor.cpp
+++ b/src/gui/editors/SongEditor.cpp
@@ -54,7 +54,7 @@
 #include "ToolTip.h"
 #include "Track.h"
 
-const QVector<double> SongEditor::m_zoomLevels =
+const QVector<float> SongEditor::m_zoomLevels =
 		{ 0.125f, 0.25f, 0.5f, 1.0f, 2.0f, 4.0f, 8.0f, 16.0f };
 
 SongEditor::SongEditor( Song * song ) :
@@ -99,8 +99,8 @@ SongEditor::SongEditor( Song * song ) :
 	
 	connect( m_song, SIGNAL( playbackStateChanged() ),
 			 m_positionLine, SLOT( update() ) );
-	connect( this, SIGNAL( zoomingValueChanged( double ) ),
-			 m_positionLine, SLOT( zoomChange( double ) ) );
+	connect( this, SIGNAL( zoomingValueChanged( float ) ),
+			 m_positionLine, SLOT( zoomChange( float ) ) );
 
 
 	// add some essential widgets to global tool-bar
diff --git a/src/gui/widgets/PositionLine.cpp b/src/gui/widgets/PositionLine.cpp
index ef003c5eb..978c94a96 100644
--- a/src/gui/widgets/PositionLine.cpp
+++ b/src/gui/widgets/PositionLine.cpp
@@ -87,7 +87,7 @@ void PositionLine::paintEvent(QPaintEvent* pe)
 
 // NOTE: the move() implementation fixes a bug where the position line would appear
 // in an unexpected location when positioned at the start of the track
-void PositionLine::zoomChange(double zoom)
+void PositionLine::zoomChange(float zoom)
 {
 	int playHeadPos = x() + width() - 1;
 
@@ -95,4 +95,4 @@ void PositionLine::zoomChange(double zoom)
 	move(playHeadPos - width() + 1, y());
 
 	update();
-}
\ No newline at end of file
+}