diff --git a/src/game/game.cpp b/src/game/game.cpp
index 67c45097673e54609a4fe37ff86497d31a226468..c5194a355e282630d0d4f31b3f42f23c4cf26763 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -18,6 +18,7 @@ game::game(uint32_t fps):current_state(),
                          shoot_control(nullptr),
                          player_position_delta(0),
                          player_angle_delta(0.0),
+                         player_force_delta(0.0),
                          delta_time(1.0 / static_cast<double>(fps)),
                          is_running(false),
                          shoot(false) {