diff --git a/src/player.c b/src/player.c
index 52d53cc..410189a 100644
--- a/src/player.c
+++ b/src/player.c
@@ -13,8 +13,8 @@
 
 /* TODO: Determine FRICTION and ACCELERATION from UPS. */
 #define MAX_SPD (128 * PXS)
-#define FRICTION 0.99
-#define ACCELERATION (int)(MAX_SPD * (1 - FRICTION))
+#define FRICTION 0.01
+#define ACCELERATION (int)(MAX_SPD * FRICTION)
 #define GRAVITY PXS
 #define FAST_FALL_FACTOR 3
 #define JUMP_SPD (-128 * PXS)
@@ -130,7 +130,7 @@ void player_step(Player *player, Input *input, const Level *level, uint step) {
 	/* other keys */
 	bool k_jump = INPUT_DOWN(K_JUMP);
 	int xacc = move.x * player->vars.acceleration; /* calculate horizontal acceleration */
-	player->spd.x *= player->vars.friction; /* apply horizontal friction */
+	player->spd.x *= 1 - player->vars.friction; /* apply horizontal friction */
 	player->spd.x += xacc; /* apply horizontal acceleration */
 	/* apply gravity */
 	if (player->spd.y < 0 && !player->jump_held) {
diff --git a/src/player_modifiers.c b/src/player_modifiers.c
index a4e03c5..f8d7c8b 100644
--- a/src/player_modifiers.c
+++ b/src/player_modifiers.c
@@ -2,12 +2,11 @@
 #include "player.h"
 
 void player_mod_ice(Player *player) {
-	player->vars.acceleration *= 2;
-	float *friction = &player->vars.friction;
-	*friction = 1 - ((1 - *friction) / 2);
+	player->vars.acceleration /= 4;
+	player->vars.friction /= 4;
 }
 
 void player_mod_glue(Player *player) {
 	player->vars.acceleration = 0;
-	player->vars.friction = 0;
+	player->vars.friction = 1;
 }