diff --git a/zenno/src/lib/race.ts b/zenno/src/lib/race.ts
index c179051..601694a 100644
--- a/zenno/src/lib/race.ts
+++ b/zenno/src/lib/race.ts
@@ -537,7 +537,7 @@ export function downhillAccelEnterChance(witStat: number): number {
  * @returns Probability each eligible tick to enter speed-up or overtake mode
  */
 export function frontModeEnterChance(witStat: number): number {
-	return 0.2 * math.log10(witStat) - 0.2;
+	return Math.ceil(20 * math.log10(witStat * 0.1)) / 100;
 }
 
 /**
@@ -546,7 +546,7 @@ export function frontModeEnterChance(witStat: number): number {
  * @returns Probability each eligible tick to enter pace-up mode
  */
 export function paceUpEnterChance(witStat: number): number {
-	return 0.15 * math.log10(witStat) - 0.15;
+	return Math.ceil(15 * math.log10(witStat * 0.1)) / 100;
 }
 
 /**