diff --git a/lib/pool.js b/lib/pool.js
index 973ba3e..41572f5 100644
--- a/lib/pool.js
+++ b/lib/pool.js
@@ -766,7 +766,7 @@ function handleMinerData(method, params, ip, portData, sendReply, pushMessage) {
 
             if (global.config.pool.trustedMiners) {
                 if (shareAccepted) {
-                    miner.trust.probability -= 1;
+                    miner.trust.probability -= global.config.pool.trustChange;
                     if (miner.trust.probability < (global.config.pool.trustMin)) {
                         miner.trust.probability = global.config.pool.trustMin;
                     }