diff --git a/src/utils/dvalue_computer.cpp b/src/utils/dvalue_computer.cpp
index 3952a11..4a7564b 100644
--- a/src/utils/dvalue_computer.cpp
+++ b/src/utils/dvalue_computer.cpp
@@ -39,16 +39,17 @@ float DValueComputer::computeDValue(float h2o2ppm) {
 
   if (h2o2ppm < 150) {
     //
-    dvalue = -0.5251 * h2o2ppm * m_config->get_dvalueCoefficient() + 98.154;
+    dvalue = -0.5251 * h2o2ppm + 98.154;
   } else if (h2o2ppm >= 150 && h2o2ppm < 240) {
     //
-    dvalue = -0.125 * h2o2ppm * m_config->get_dvalueCoefficient() + 38.913;
+    dvalue = -0.125 * h2o2ppm + 38.913;
   } else if (h2o2ppm >= 240) {
     //
-    dvalue = -0.00596 * h2o2ppm * m_config->get_dvalueCoefficient() + 10.3434;
+    dvalue = -0.00596 * h2o2ppm + 10.3434;
   }
   if (dvalue < 2) {
     dvalue = 2;
   }
+  dvalue = dvalue * m_config->get_dvalueCoefficient();
   return dvalue;
 }