diff --git a/src/badguy/bouncing_snowball.cpp b/src/badguy/bouncing_snowball.cpp
index 143468720d4..24d3ac2bd29 100644
--- a/src/badguy/bouncing_snowball.cpp
+++ b/src/badguy/bouncing_snowball.cpp
@@ -82,7 +82,7 @@ BouncingSnowball::active_update(float dt_sec)
   Rectf side_look_box = get_bbox().grown(-1.f);
   side_look_box.set_left(get_bbox().get_left() + (m_dir == Direction::LEFT ? -1.f : 1.f));
   side_look_box.set_right(get_bbox().get_right() + (m_dir == Direction::LEFT ? -1.f : 1.f));
-  if (!Sector::get().is_free_of_statics(side_look_box))
+  if (!Sector::get().is_free_of_statics(side_look_box, nullptr, true))
   {
     m_dir = m_dir == Direction::LEFT ? Direction::RIGHT : Direction::LEFT;
     set_action(m_dir);
diff --git a/src/collision/collision_system.cpp b/src/collision/collision_system.cpp
index 1d2a4afa5ff..245ec697c8d 100644
--- a/src/collision/collision_system.cpp
+++ b/src/collision/collision_system.cpp
@@ -726,11 +726,11 @@ CollisionSystem::is_free_of_statics(const Rectf& rect, const CollisionObject* ig
 }
 
 bool
-CollisionSystem::is_free_of_movingstatics(const Rectf& rect, const CollisionObject* ignore_object) const
+CollisionSystem::is_free_of_movingstatics(const Rectf& rect, const CollisionObject* ignore_object, const bool ignore_unisolid) const
 {
   using namespace collision;
 
-  if (!is_free_of_tiles(rect)) return false;
+  if (!is_free_of_tiles(rect, ignore_unisolid)) return false;
 
   for (const auto& object : m_objects) {
     if (object == ignore_object) continue;
diff --git a/src/collision/collision_system.hpp b/src/collision/collision_system.hpp
index 0dab8149991..82d8104e311 100644
--- a/src/collision/collision_system.hpp
+++ b/src/collision/collision_system.hpp
@@ -64,7 +64,7 @@ class CollisionSystem final
 
   bool is_free_of_tiles(const Rectf& rect, const bool ignoreUnisolid = false, uint32_t tiletype = Tile::SOLID) const;
   bool is_free_of_statics(const Rectf& rect, const CollisionObject* ignore_object, const bool ignoreUnisolid) const;
-  bool is_free_of_movingstatics(const Rectf& rect, const CollisionObject* ignore_object) const;
+  bool is_free_of_movingstatics(const Rectf& rect, const CollisionObject* ignore_object, const bool ignore_unisolid = false) const;
   bool is_free_of_specifically_movingstatics(const Rectf& rect, const CollisionObject* ignore_object) const;
 
 
diff --git a/src/object/player.cpp b/src/object/player.cpp
index 1203d5fbec5..7f8a05e6252 100644
--- a/src/object/player.cpp
+++ b/src/object/player.cpp
@@ -1379,7 +1379,7 @@ Player::do_standup(bool force_standup)
   float new_height = m_swimming ? TUX_WIDTH : BIG_TUX_HEIGHT;
   new_bbox.move(Vector(0, m_col.m_bbox.get_height() - new_height));
   new_bbox.set_height(new_height);
-  if (!Sector::get().is_free_of_movingstatics(new_bbox, this) && !force_standup)
+  if (!Sector::get().is_free_of_movingstatics(new_bbox, this, true) && !force_standup)
   {
     m_crawl = true;
     return;
@@ -2457,6 +2457,9 @@ Player::collision(GameObject& other, const CollisionHit& hit)
       return FORCE_MOVE;
     if (m_stone)
       return ABORT_MOVE;
+
+    if (hit.bottom && badguy->is_frozen())
+      m_on_ground_flag = true;
   }
 
   return CONTINUE;
diff --git a/src/object/pushbutton.cpp b/src/object/pushbutton.cpp
index c49d462c899..ca8c91fd174 100644
--- a/src/object/pushbutton.cpp
+++ b/src/object/pushbutton.cpp
@@ -31,7 +31,7 @@ const std::string BUTTON_SOUND = "sounds/switch.ogg";
 }
 
 PushButton::PushButton(const ReaderMapping& mapping) :
-  StickyObject(mapping, "images/objects/pushbutton/pushbutton.sprite", LAYER_BACKGROUNDTILES+1, COLGROUP_MOVING),
+  StickyObject(mapping, "images/objects/pushbutton/pushbutton.sprite", LAYER_BACKGROUNDTILES+1, COLGROUP_STATIC),
   m_script(),
   m_state(OFF),
   m_dir(Direction::UP)
diff --git a/src/supertux/sector.cpp b/src/supertux/sector.cpp
index 58612963afc..70a678ffbc6 100644
--- a/src/supertux/sector.cpp
+++ b/src/supertux/sector.cpp
@@ -564,10 +564,11 @@ Sector::is_free_of_statics(float left, float top, float right, float bottom,
 }
 
 bool
-Sector::is_free_of_movingstatics(const Rectf& rect, const MovingObject* ignore_object) const
+Sector::is_free_of_movingstatics(const Rectf& rect, const MovingObject* ignore_object, bool ignore_unisolid) const
 {
   return m_collision_system->is_free_of_movingstatics(rect,
-                                                      ignore_object ? ignore_object->get_collision_object() : nullptr);
+                                                      ignore_object ? ignore_object->get_collision_object() : nullptr,
+                                                      ignore_unisolid);
 }
 
 bool
diff --git a/src/supertux/sector.hpp b/src/supertux/sector.hpp
index e5208f99440..be0fa70ae5d 100644
--- a/src/supertux/sector.hpp
+++ b/src/supertux/sector.hpp
@@ -148,7 +148,8 @@ class Sector final : public Base::Sector
       1.) solid tiles and
       2.) MovingObjects in COLGROUP_STATIC, COLGROUP_MOVINGSTATIC or COLGROUP_MOVING.
       This includes badguys and players. */
-  bool is_free_of_movingstatics(const Rectf& rect, const MovingObject* ignore_object = nullptr) const;
+  bool is_free_of_movingstatics(const Rectf& rect, const MovingObject* ignore_object = nullptr,
+                                bool ignore_unisolid = false) const;
   /**
    * @scripting
    * @description Checks if the specified sector-relative rectangle is free of both: