diff --git a/src/candlestick/BullishHammerStick.ts b/src/candlestick/BullishHammerStick.ts
index 9c7ce3af..d4d6d442 100644
--- a/src/candlestick/BullishHammerStick.ts
+++ b/src/candlestick/BullishHammerStick.ts
@@ -15,7 +15,7 @@ export default class BullishHammerStick extends CandlestickFinder {
 
         let isBullishHammer = daysClose > daysOpen;
         isBullishHammer = isBullishHammer && this.approximateEqual(daysClose, daysHigh);
-        isBullishHammer = isBullishHammer && (daysClose - daysOpen) <= 2 * (daysOpen - daysLow);
+        isBullishHammer = isBullishHammer && 2 * (daysClose - daysOpen) <= (daysOpen - daysLow);
 
         return isBullishHammer;
     }
@@ -23,4 +23,4 @@ export default class BullishHammerStick extends CandlestickFinder {
 
 export function bullishhammerstick(data:StockData) {
   return new BullishHammerStick().hasPattern(data);
-}
\ No newline at end of file
+}