diff --git a/src/Actor/Actor.cpp b/src/Actor/Actor.cpp
index ef7fd02..6abb573 100644
--- a/src/Actor/Actor.cpp
+++ b/src/Actor/Actor.cpp
@@ -59,8 +59,10 @@ void Actor::Update(float dt) {
 
   Move(dt);
 
+  float collisionYOffset = GetMaxHeight() / 2.0f;
+
   if(x != oldX || y != oldY) {
-    if(_level->CheckCollision(x, y, GetAnimation()->GetMaxWidth(), GetAnimation()->GetMaxHeight())) {
+    if(_level->CheckCollision(x, y + collisionYOffset, GetAnimation()->GetMaxWidth(), GetAnimation()->GetMaxHeight() - collisionYOffset)) {
       x = oldX;
       y = oldY;
       return;
diff --git a/src/Actor/Player.cpp b/src/Actor/Player.cpp
index 42dfeb2..4df4aaa 100644
--- a/src/Actor/Player.cpp
+++ b/src/Actor/Player.cpp
@@ -34,4 +34,10 @@ void Player::Move(float dt) {
     _direction = Actor::FRONT;
   }
 
+  if(KeyDown(SDLK_LSHIFT)) {
+    _velocity += 3;
+  }
+  if(KeyUp(SDLK_LSHIFT)) {
+    _velocity -= 3;
+  }
 }