diff --git a/src/input/input.cpp b/src/input/input.cpp
index 22b80312..23b48b49 100644
--- a/src/input/input.cpp
+++ b/src/input/input.cpp
@@ -47,7 +47,7 @@ public:
 
 private:
     ivec2 mouse;
-    ivec3 buttons;
+    uint32_t buttons;
 
     static int const MAX_ENTITIES = 100;
     WorldEntity *entities[MAX_ENTITIES];
@@ -293,7 +293,7 @@ ivec2 Input::GetMousePos()
     return data->mouse;
 }
 
-ivec3 Input::GetMouseButtons()
+uint32_t Input::GetMouseButtons()
 {
     return data->buttons;
 }
@@ -425,15 +425,15 @@ void Input::SetMousePos(ivec2 coord)
             if (top != data->lastfocus)
                 data->entities[n]->m_pressed = data->buttons;
             else
-                data->entities[n]->m_clicked = ivec3(0);
+                data->entities[n]->m_clicked = 0;
         }
         else
         {
             data->entities[n]->m_mousepos = ivec2(-1);
             /* FIXME */
-            data->entities[n]->m_released = ivec3(0);
-            data->entities[n]->m_pressed = ivec3(0);
-            data->entities[n]->m_clicked = ivec3(0);
+            data->entities[n]->m_released = 0;
+            data->entities[n]->m_pressed = 0;
+            data->entities[n]->m_clicked = 0;
         }
     }
 
@@ -442,27 +442,29 @@ void Input::SetMousePos(ivec2 coord)
 
 void Input::SetMouseButton(int index)
 {
-    data->buttons[index] = 1;
+    uint32_t flag = 1 << index;
+    data->buttons |= flag;
 
     if (data->lastfocus)
     {
-        if (!data->lastfocus->m_pressed[index])
-            data->lastfocus->m_clicked[index] = 1;
-        data->lastfocus->m_pressed[index] = 1;
-        data->lastfocus->m_released[index] = 0;
+        if (!(data->lastfocus->m_pressed & flag))
+            data->lastfocus->m_clicked |= flag;
+        data->lastfocus->m_pressed |= flag;
+        data->lastfocus->m_released &= ~flag;
     }
 }
 
 void Input::UnsetMouseButton(int index)
 {
-    data->buttons[index] = 0;
+    uint32_t flag = 1 << index;
+    data->buttons &= ~flag;
 
     if (data->lastfocus)
     {
-        if (data->lastfocus->m_pressed[index])
-            data->lastfocus->m_released[index] = 1;
-        data->lastfocus->m_pressed[index] = 0;
-        data->lastfocus->m_clicked[index] = 0;
+        if (!(data->lastfocus->m_pressed & flag))
+            data->lastfocus->m_released |= flag;
+        data->lastfocus->m_pressed &= ~flag;
+        data->lastfocus->m_clicked &= ~flag;
     }
 }
 
diff --git a/src/input/input.h b/src/input/input.h
index 560786de..ffa1f40a 100644
--- a/src/input/input.h
+++ b/src/input/input.h
@@ -411,7 +411,7 @@ public:
 
     /* These methods are general queries */
     static ivec2 GetMousePos();
-    static ivec3 GetMouseButtons();
+    static uint32_t GetMouseButtons();
 
     //BH : Shouldn't use this
     static int GetButtonState(int button);
diff --git a/src/worldentity.cpp b/src/worldentity.cpp
index 1a052371..5bfcb623 100644
--- a/src/worldentity.cpp
+++ b/src/worldentity.cpp
@@ -33,9 +33,9 @@ WorldEntity::WorldEntity()
 
     m_mousepos = ivec2(0);
     m_mousebuttons = ivec3(0);
-    m_pressed = ivec3(0);
-    m_clicked = ivec3(0);
-    m_released = ivec3(0);
+    m_pressed = 0;
+    m_clicked = 0;
+    m_released = 0;
 }
 
 WorldEntity::~WorldEntity()
diff --git a/src/worldentity.h b/src/worldentity.h
index 4c6cc11a..0153f6e2 100644
--- a/src/worldentity.h
+++ b/src/worldentity.h
@@ -35,7 +35,7 @@ public:
 
     ivec2 m_mousepos;
     ivec3 m_mousebuttons;
-    ivec3 m_pressed, m_clicked, m_released;
+    uint32_t m_pressed, m_clicked, m_released;
 
 protected:
     WorldEntity();
diff --git a/tutorial/11_fractal.cpp b/tutorial/11_fractal.cpp
index 267a0c5c..90799f47 100644
--- a/tutorial/11_fractal.cpp
+++ b/tutorial/11_fractal.cpp
@@ -171,9 +171,9 @@ public:
 
         rcmplx worldmouse = m_center + rcmplx(ScreenToWorldOffset(m_mousepos));
 
-        ivec3 buttons = Input::GetMouseButtons();
+        uint32_t buttons = Input::GetMouseButtons();
 #if !defined __CELLOS_LV2__ && !defined _XBOX
-        if (buttons[1])
+        if (buttons & 0x2)
         {
             if (!m_drag)
             {
@@ -201,9 +201,9 @@ public:
             }
         }
 
-        if ((buttons[0] || buttons[2]) && m_mousepos.x != -1)
+        if (buttons & 0x5 && m_mousepos.x != -1)
         {
-            double zoom = buttons[0] ? -0.5 : 0.5;
+            double zoom = (buttons & 0x1) ? -0.5 : 0.5;
             m_zoom_speed += zoom * seconds;
             if (m_zoom_speed / zoom > 5e-3f)
                 m_zoom_speed = zoom * 5e-3f;