diff --git a/server/src/cryp.rs b/server/src/cryp.rs
index eda5b7f5..f4407fc8 100644
--- a/server/src/cryp.rs
+++ b/server/src/cryp.rs
@@ -526,20 +526,20 @@ impl Cryp {
 
     pub fn evade(&self, skill: Skill) -> Option<ResolutionResult> {
         let mut rng = thread_rng();
-        let hp_pct = self.hp.base as f64 / self.stamina.base as f64;
-        let evasion_rating = self.evasion.base as f64 * hp_pct;
+        let hp_pct = (self.hp.base * 100) / self.stamina.base;
+        let evasion_rating = (self.evasion.base * hp_pct) / 100;
 
-        // println!("{:?}", evasion_rating);
-        if evasion_rating == 0.0 {
+        println!("{:?}", evasion_rating);
+        if evasion_rating == 0 {
             return None;
         }
 
-        let roll = rng.gen_bool(evasion_rating / 100.0);
+        let roll = rng.gen_range(0, 100);
 
-        match roll {
+        match roll > evasion_rating {
             true => Some(ResolutionResult::Evasion {
                 skill,
-                evasion_rating: evasion_rating.round(),
+                evasion_rating: evasion_rating,
             }),
             false => None,
         }
diff --git a/server/src/skill.rs b/server/src/skill.rs
index 6be796ab..cc2b46c5 100644
--- a/server/src/skill.rs
+++ b/server/src/skill.rs
@@ -70,7 +70,7 @@ pub enum ResolutionResult {
     Healing { amount: u64, overhealing: u64, category: Category , immunity: Immunity },
     Effect { effect: Effect, duration: u8, immunity: Immunity },
     Removal { effect: Effect, immunity: Immunity },
-    Evasion { skill: Skill, evasion_rating: f64 },
+    Evasion { skill: Skill, evasion_rating: u64 },
 }
 
 #[derive(Debug,Clone,PartialEq,Serialize,Deserialize)]