diff --git a/src/module/powers/basePowers.js b/src/module/powers/basePowers.js
index e224a11..9ddb5d0 100644
--- a/src/module/powers/basePowers.js
+++ b/src/module/powers/basePowers.js
@@ -17,6 +17,19 @@ const MAINTAIN_ICONS = [
   'icons/magic/symbols/runes-triangle-orange.webp',
 ];
 
+function _hashCode(str) {
+  let hash = 0;
+  if (str.length === 0) {
+    return hash;
+  }
+  for (let i = 0; i < str.length; i++) {
+    const c = str.charCodeAt(i);
+    hash = (hash << 5) - hash + c;
+    hash |= 0;
+  }
+  return Math.abs(hash);
+}
+
 export class PowerFormApplication extends FormApplication {
   constructor(powerEffect) {
     super();
@@ -522,7 +535,7 @@ export class PowerEffect {
   }
 
   async createMaintainEffect(maintId) {
-    let icon = MAINTAIN_ICONS[Math.floor(Math.random() * MAINTAIN_ICONS.length)];
+    let icon = MAINTAIN_ICONS[_hashCode(this.name) % MAINTAIN_ICONS.length];
     if (!this.usePrimaryEffect) {
       icon = this.icon;
     }