diff --git a/README.md b/README.md
index b874114..8d80326 100644
--- a/README.md
+++ b/README.md
@@ -22,4 +22,4 @@ mouse.on('move', function(x, y) {
 
 The program will not terminate as long as a mouse listener is active. To allow the program to exit, either call `mouse.unref` (works as `unref`/`ref` on a TCP server) or `mouse.destroy()`.
 
-The events emitted are: `move`, `left-down`, `left-up`, `left-drag`, `right-up`, `right-down` and `right-drag`. For each event the screen coordinates are passed to the handler function.
+The events emitted are: `middle-up`, `middle-down`, `move`, `left-down`, `left-up`, `left-drag`, `right-up`, `right-down` and `right-drag`. For each event the screen coordinates are passed to the handler function.
diff --git a/source/mouse.cc b/source/mouse.cc
index e0352d9..8dab6f3 100644
--- a/source/mouse.cc
+++ b/source/mouse.cc
@@ -4,6 +4,8 @@ const char* LEFT_DOWN = "left-down";
 const char* LEFT_UP = "left-up";
 const char* RIGHT_DOWN = "right-down";
 const char* RIGHT_UP = "right-up";
+const char* MIDDLE_DOWN = "middle-down";
+const char* MIDDLE_UP = "middle-up";
 const char* MOVE = "move";
 
 bool IsMouseEvent(WPARAM type) {
@@ -11,6 +13,8 @@ bool IsMouseEvent(WPARAM type) {
 		type == WM_LBUTTONUP ||
 		type == WM_RBUTTONDOWN ||
 		type == WM_RBUTTONUP ||
+		type == WM_MBUTTONDOWN ||
+		type == WM_MBUTTONUP ||
 		type == WM_MOUSEMOVE;
 }
 
@@ -131,6 +135,8 @@ void Mouse::HandleSend() {
 		if (e.type == WM_LBUTTONUP) name = LEFT_UP;
 		if (e.type == WM_RBUTTONDOWN) name = RIGHT_DOWN;
 		if (e.type == WM_RBUTTONUP) name = RIGHT_UP;
+		if (e.type == WM_MBUTTONDOWN) name = MIDDLE_DOWN;
+		if (e.type == WM_MBUTTONUP) name = MIDDLE_UP;
 		if (e.type == WM_MOUSEMOVE) name = MOVE;
 
 		Local<Value> argv[] = {