diff --git a/Bullmania_Money_Line_v5.pine b/Bullmania_Money_Line_v5.pine
index 3b5412e..3ce59e7 100644
--- a/Bullmania_Money_Line_v5.pine
+++ b/Bullmania_Money_Line_v5.pine
@@ -138,8 +138,17 @@ shortOk = not useMacd or (macdLine < macdSignal)
 buyFlip = trend == 1 and trend[1] == -1
 sellFlip = trend == -1 and trend[1] == 1
 
-// ADX computation and gate
-adxVal = ta.adx(adxLen)
+// ADX computation (manual) and gate on selected source
+upMove = calcH - calcH[1]
+downMove = calcL[1] - calcL
+plusDM = (upMove > downMove and upMove > 0) ? upMove : 0.0
+minusDM = (downMove > upMove and downMove > 0) ? downMove : 0.0
+trADX = math.max(calcH - calcL, math.max(math.abs(calcH - calcC[1]), math.abs(calcL - calcC[1])))
+atrADX = ta.rma(trADX, adxLen)
+plusDI = atrADX == 0.0 ? 0.0 : 100.0 * ta.rma(plusDM, adxLen) / atrADX
+minusDI = atrADX == 0.0 ? 0.0 : 100.0 * ta.rma(minusDM, adxLen) / atrADX
+dx = (plusDI + minusDI == 0.0) ? 0.0 : 100.0 * math.abs(plusDI - minusDI) / (plusDI + minusDI)
+adxVal = ta.rma(dx, adxLen)
 adxOk = not useAdx or (adxVal > adxMin)
 
 // Entry buffer gates relative to current Money Line