diff --git a/src/GameBall/logic/obstacles/block.cpp b/src/GameBall/logic/obstacles/block.cpp
index 267d034..19c826f 100644
--- a/src/GameBall/logic/obstacles/block.cpp
+++ b/src/GameBall/logic/obstacles/block.cpp
@@ -77,7 +77,7 @@ void Block::UpdateTick() {
   auto &cube = physics_world->GetCube(cude_id_);
   position_ = cube.position;
   if (cube.position != glm::vec3{0.0f, -10.0f, 0.0f}) {
-    cube.velocity = glm::vec3{0, 0.6*cos(timer_/100), 0};
+    cube.velocity = glm::vec3{0, 0.6*cos(float(timer_)/100), 0};
   }
   velocity_ = cube.velocity;
   orientation_ = cube.orientation;