diff --git a/src/bitmessageqt/messagecompose.py b/src/bitmessageqt/messagecompose.py
index 0114400d..c520030b 100644
--- a/src/bitmessageqt/messagecompose.py
+++ b/src/bitmessageqt/messagecompose.py
@@ -17,7 +17,7 @@ class MessageCompose(QtWidgets.QTextEdit):
         if (
             (QtWidgets.QApplication.queryKeyboardModifiers()
              & QtCore.Qt.ControlModifier) == QtCore.Qt.ControlModifier
-            and event.orientation() == QtCore.Qt.Vertical
+            and event.angleDelta().y() != 0
         ):
             if event.delta() > 0:
                 self.zoomIn(1)
diff --git a/src/bitmessageqt/messageview.py b/src/bitmessageqt/messageview.py
index abd15785..364a92c2 100644
--- a/src/bitmessageqt/messageview.py
+++ b/src/bitmessageqt/messageview.py
@@ -56,7 +56,7 @@ class MessageView(QtWidgets.QTextBrowser):
         if (
             (QtWidgets.QApplication.queryKeyboardModifiers()
              & QtCore.Qt.ControlModifier) == QtCore.Qt.ControlModifier
-            and event.orientation() == QtCore.Qt.Vertical
+            and event.angleDelta().y() != 0
         ):
             zoom = self.currentFont().pointSize() * 100 / self.defaultFontPointSize
             QtWidgets.QApplication.activeWindow().statusbar.showMessage(