diff --git a/nxt_editor/dockwidgets/syntax.py b/nxt_editor/dockwidgets/syntax.py
index aae7750..5a64f01 100644
--- a/nxt_editor/dockwidgets/syntax.py
+++ b/nxt_editor/dockwidgets/syntax.py
@@ -117,7 +117,8 @@ def highlightBlock(self, text):
         # Do other syntax formatting
         for rule in self.rules:
             expression, nth, formatting = rule
-            index = expression.match(text).capturedStart()
+            match = expression.match(text)
+            index = match.capturedStart()
             # This is here because you can't do nested logic in regex
             nested = 0
             if rule in self.special_rules:
@@ -126,10 +127,10 @@ def highlightBlock(self, text):
 
             while index >= 0:
                 # We actually want the index of the nth match
-                index = expression.pos(nth)
-                length = len(expression.cap(nth))
+                index = match.capturedStart(nth)
+                length = len(match.captured(nth))
                 self.setFormat(index, length + nested, formatting)
-                index = expression.indexIn(text, index + length)
+                index = match.capturedStart(text)
 
         self.setCurrentBlockState(0)
 
diff --git a/nxt_editor/pixmap_button.py b/nxt_editor/pixmap_button.py
index 3239ad4..e4a07f6 100644
--- a/nxt_editor/pixmap_button.py
+++ b/nxt_editor/pixmap_button.py
@@ -71,7 +71,7 @@ def paintEvent(self, event):
                 pix = self.pixmap_pressed
 
         painter = QtGui.QPainter(self)
-        painter.drawPixmap(event.rect(), pix)
+        painter.drawPixmap(event.rect(), QtGui.QPixmap(pix))
         del painter
 
     def enterEvent(self, event):
diff --git a/nxt_editor/stage_view.py b/nxt_editor/stage_view.py
index dc243f1..b45af64 100644
--- a/nxt_editor/stage_view.py
+++ b/nxt_editor/stage_view.py
@@ -701,7 +701,7 @@ def mousePressEvent(self, event):
             self.zoom_start_pos = event.pos()
             self._previous_mouse_pos = event.pos()
             event.accept()
-        if event.buttons() == QtCore.Qt.LeftButton | QtCompat.QtCore.Qt.MidButton:
+        if event.buttons() == QtCore.Qt.LeftButton | QtCore.Qt.MiddleButton:
             self.zooming = True
             self.zoom_start_pos = event.pos()
             self._previous_mouse_pos = event.pos()
@@ -748,7 +748,7 @@ def mousePressEvent(self, event):
                 return  # block immediate node movement
 
         # middle and right button events
-        elif event.button() == QtCompat.QtCore.Qt.MidButton:
+        elif event.button() == QtCore.Qt.MiddleButton:
             # start panning action
             self.panning = True
             self._previous_mouse_pos = None
@@ -826,11 +826,11 @@ def mouseReleaseEvent(self, event):
             event.accept()
 
         if self.zooming:
-            if event.buttons() == QtCore.Qt.LeftButton | QtCompat.QtCore.Qt.MidButton:
+            if event.buttons() == QtCore.Qt.LeftButton | QtCore.Qt.MiddleButton:
                 self.zooming = False
             elif event.buttons() == QtCore.Qt.LeftButton:
                 self.zooming = False
-            elif event.buttons() == QtCompat.QtCore.Qt.MidButton:
+            elif event.buttons() == QtCore.Qt.MiddleButton:
                 self.zooming = False
         if (self._rubber_band_origin is not None and
            event.button() is QtCore.Qt.LeftButton):
@@ -968,7 +968,7 @@ def mouseReleaseEvent(self, event):
             self.block_context_menu = False
             self.contextMenuEvent(event)
         # complete panning action
-        if self.panning and event.button() == QtCompat.QtCore.Qt.MidButton:
+        if self.panning and event.button() == QtCore.Qt.MiddleButton:
             self._previous_mouse_pos = None
             self.panning = False
             self._current_pan_distance = 0.0