diff --git a/lib/gamacon b/lib/gamacon
index 20ffadd..94dbd5e 160000
--- a/lib/gamacon
+++ b/lib/gamacon
@@ -1 +1 @@
-Subproject commit 20ffadd22339798433c90f18d63e531b21f867fd
+Subproject commit 94dbd5eb0eeec2738fdea35e56dbd05e14001d96
diff --git a/lib/quadtree b/lib/quadtree
index c9f363a..b23039a 160000
--- a/lib/quadtree
+++ b/lib/quadtree
@@ -1 +1 @@
-Subproject commit c9f363aed97511290ea860d2aa04209a835fadad
+Subproject commit b23039ac966af5e83a66e1dcecf43583493febce
diff --git a/prefabs/player.gcprefab b/prefabs/player.gcprefab
index f657da2..b390731 100644
--- a/prefabs/player.gcprefab
+++ b/prefabs/player.gcprefab
@@ -9,7 +9,7 @@
         </renderer>
         <movable_component />
         <controllable_component />
-        <gravity_component speed="500" />
+        <gravity_component speed="800" />
         <keyboard_controller left="16" right="3" jump="57" />
         <walk_action acceleration="3000" max_acceleration="10000" />
         <jump_action acceleration="2400" max_acceleration="3800"/>
diff --git a/src/systems/gravity_system.c b/src/systems/gravity_system.c
index 35cb558..8153175 100644
--- a/src/systems/gravity_system.c
+++ b/src/systems/gravity_system.c
@@ -29,8 +29,10 @@ gc_entity *entity, float dtime)
         else
             mov->acceleration.y = -grav->gravity_speed;
     }
-    if (mov->acceleration.y < 0 && col->distance_down == 0)
+    if (mov->acceleration.y < 0 && col->distance_down == 0) {
         mov->acceleration.y = 0;
+        mov->velocity.y = 0;
+    }
     (void)system;
     (void)dtime;
     (void)engine;
diff --git a/src/systems/jump_system.c b/src/systems/jump_system.c
index 2cfe383..8393659 100644
--- a/src/systems/jump_system.c
+++ b/src/systems/jump_system.c
@@ -25,8 +25,6 @@ gc_entity *entity, float dtime)
     struct movable_component *mov = GETCMP(movable_component);
     struct jump_action *jump = GETCMP(jump_action);
 
-    if (con->jumping)
-        printf("Acceleartion: %4.0f, Velocity: %4.0f Distance down: %d\n", mov->acceleration.y, mov->velocity.y, col->distance_down);
     if (col->distance_down == 0 && mov->acceleration.y < jump->max_acceleration)
         mov->acceleration.y += con->jumping * jump->acceleration;
     (void)system;