diff --git a/src/util/pattern.rs b/src/util/pattern.rs
index 582175e..863659f 100644
--- a/src/util/pattern.rs
+++ b/src/util/pattern.rs
@@ -135,17 +135,19 @@ impl Pattern for Random {
         let mut rng = rand::thread_rng();
         for x in 0..values.len() {
             let mut color = (*values)[x];
+            let min = self.min;
+            let max = self.max;
             if self.r {
                 let y: f64 = rng.gen();
-                color[2] = ((y * (max - min))+min) as u8;
+                color[2] = ((y * (max - min) as f64) as u8 + min);
             }
             if self.g {
                 let y: f64 = rng.gen();
-                color[1] = ((y * (max - min))+min) as u8;
+                color[1] = ((y * (max - min) as f64) as u8 + min);
             }
             if self.b {
                 let y: f64 = rng.gen();
-                color[0] = ((y * (max - min))+min) as u8;
+                color[0] = ((y * (max - min) as f64) as u8 + min);
             }
         }
     }