diff --git a/src/GUI/keys.h b/src/GUI/keys.h
index 07a824d5..9d87baa8 100644
--- a/src/GUI/keys.h
+++ b/src/GUI/keys.h
@@ -9,10 +9,8 @@
 #define FIRST_KEY               Qt::Key_Home
 #define LAST_KEY                Qt::Key_End
 #define MODIFIER                Qt::ShiftModifier
-
-#define ZOOM_IN                 QKeySequence::ZoomIn
-#define ZOOM_OUT                QKeySequence::ZoomOut
-
+#define ZOOM_IN                 Qt::Key_Plus
+#define ZOOM_OUT                Qt::Key_Minus
 #define TOGGLE_GRAPH_TYPE_KEY   Qt::Key_X
 #define TOGGLE_TIME_TYPE_KEY    Qt::Key_T
 
diff --git a/src/GUI/mapview.cpp b/src/GUI/mapview.cpp
index b00981f8..9872226e 100644
--- a/src/GUI/mapview.cpp
+++ b/src/GUI/mapview.cpp
@@ -473,9 +473,9 @@ void MapView::keyPressEvent(QKeyEvent *event)
 
 	QPoint pos = viewport()->rect().center();
 
-	if (event->matches(ZOOM_IN))
+	if (event->key() == ZOOM_IN)
 		z = 1;
-	else if (event->matches(ZOOM_OUT))
+	else if (event->key() == ZOOM_OUT)
 		z = -1;
 	else if (_digitalZoom && event->key() == Qt::Key_Escape) {
 		digitalZoom(0);