diff --git a/invesalius/data/styles.py b/invesalius/data/styles.py
index c7c7bb0..c8c73bb 100644
--- a/invesalius/data/styles.py
+++ b/invesalius/data/styles.py
@@ -34,6 +34,7 @@ class BaseImageInteractorStyle(vtk.vtkInteractorStyleImage):
     def __init__(self, viewer):
         self.right_pressed = False
         self.left_pressed = False
+        self.middle_pressed = False
 
         self.AddObserver("LeftButtonPressEvent", self.OnPressLeftButton)
         self.AddObserver("LeftButtonReleaseEvent", self.OnReleaseLeftButton)
@@ -41,6 +42,9 @@ class BaseImageInteractorStyle(vtk.vtkInteractorStyleImage):
         self.AddObserver("RightButtonPressEvent",self.OnPressRightButton)
         self.AddObserver("RightButtonReleaseEvent", self.OnReleaseRightButton)
 
+        self.AddObserver("MiddleButtonPressEvent", self._OnMiddleButtonPressEvent)
+        self.AddObserver("MiddleButtonReleaseEvent", self._OnMiddleButtonReleaseEvent)
+
     def OnPressLeftButton(self, evt, obj):
         self.left_pressed = True
 
@@ -55,6 +59,12 @@ class BaseImageInteractorStyle(vtk.vtkInteractorStyleImage):
     def OnReleaseRightButton(self, evt, obj):
         self.right_pressed = False
 
+    def _OnMiddleButtonPressEvent(self, evt, obj):
+        self.middle_pressed = True
+
+    def _OnMiddleButtonReleaseEvent(self, evt, obj):
+        self.middle_pressed = False
+
 
 class DefaultInteractorStyle(BaseImageInteractorStyle):
     """
@@ -79,6 +89,10 @@ class DefaultInteractorStyle(BaseImageInteractorStyle):
             evt.Dolly()
             evt.OnRightButtonDown()
 
+        elif self.middle_pressed:
+            evt.Pan()
+            evt.OnMiddleButtonDown()
+
     def OnZoomRightClick(self, evt, obj):
         evt.StartDolly()
 
--
libgit2 0.21.2