diff --git a/src/common/EventHandlerSDL2.cxx b/src/common/EventHandlerSDL2.cxx
index 6963d29d5..15ca42b8b 100644
--- a/src/common/EventHandlerSDL2.cxx
+++ b/src/common/EventHandlerSDL2.cxx
@@ -124,19 +124,23 @@ void EventHandlerSDL2::pollEvent()
       case SDL_MOUSEBUTTONUP:
       {
         // ToDo: check support of more buttons and double-click
+        MouseButton b{MouseButton::NONE};
         switch(myEvent.button.button)
         {
           case SDL_BUTTON_LEFT:
-            handleMouseButtonEvent(MouseButton::LEFT, myEvent.button.type == SDL_MOUSEBUTTONDOWN,
-                                   myEvent.button.x, myEvent.button.y);
+            b = MouseButton::LEFT;
             break;
           case SDL_BUTTON_RIGHT:
-            handleMouseButtonEvent(MouseButton::RIGHT, myEvent.button.type == SDL_MOUSEBUTTONDOWN,
-                                   myEvent.button.x, myEvent.button.y);
+            b = MouseButton::RIGHT;
+            break;
+          case SDL_BUTTON_MIDDLE:
+            b = MouseButton::MIDDLE;
             break;
           default:
             break;
         }
+        handleMouseButtonEvent(b, myEvent.button.type == SDL_MOUSEBUTTONDOWN,
+                               myEvent.button.x, myEvent.button.y);
         break;
       }
 
diff --git a/src/emucore/EventHandlerConstants.hxx b/src/emucore/EventHandlerConstants.hxx
index 110191a2e..8ed0801cf 100644
--- a/src/emucore/EventHandlerConstants.hxx
+++ b/src/emucore/EventHandlerConstants.hxx
@@ -37,6 +37,7 @@ enum class EventHandlerState {
 enum class MouseButton {
   LEFT,
   RIGHT,
+  MIDDLE,
   WHEELDOWN,
   WHEELUP,
   NONE
diff --git a/src/gui/DialogContainer.cxx b/src/gui/DialogContainer.cxx
index cdca03d44..a6bfb6356 100644
--- a/src/gui/DialogContainer.cxx
+++ b/src/gui/DialogContainer.cxx
@@ -256,6 +256,7 @@ void DialogContainer::handleMouseButtonEvent(MouseButton b, bool pressed,
   {
     case MouseButton::LEFT:
     case MouseButton::RIGHT:
+    case MouseButton::MIDDLE:
       if(pressed)
       {
         // If more than two clicks have been recorded, we start over
@@ -266,7 +267,13 @@ void DialogContainer::handleMouseButtonEvent(MouseButton b, bool pressed,
           myLastClick.count = 0;
         }
 
-        if(myLastClick.count && (myTime < myLastClick.time + _DOUBLE_CLICK_DELAY)
+        if(b == MouseButton::MIDDLE)
+        {
+          // Middle mouse button emulates lef mouse button double click
+          myLastClick.count = 2;
+          b = MouseButton::LEFT;
+        }
+        else if(myLastClick.count && (myTime < myLastClick.time + _DOUBLE_CLICK_DELAY)
            && std::abs(myLastClick.x - x) < 3
            && std::abs(myLastClick.y - y) < 3)
         {