diff --git a/libnymea/integrations/statevaluefilters/statevaluefilteradaptive.cpp b/libnymea/integrations/statevaluefilters/statevaluefilteradaptive.cpp
index e24bd052..a1fdf3c3 100644
--- a/libnymea/integrations/statevaluefilters/statevaluefilteradaptive.cpp
+++ b/libnymea/integrations/statevaluefilters/statevaluefilteradaptive.cpp
@@ -124,11 +124,11 @@ void StateValueFilterAdaptive::update()
                 m_outputValueCount++;
             }
         }
-
-        // Poor mans solution to calculate standard deviation. Not as precise, but much faster than looping over history again
-        m_standardDeviation = ((m_standardDeviation * m_windowSize) + qAbs(changeRatioToAverage)) / (m_windowSize + 1);
     }
 
+    // Poor mans solution to calculate standard deviation. Not as precise, but much faster than looping over history again
+    m_standardDeviation = ((m_standardDeviation * m_windowSize) + qAbs(changeRatioToAverage)) / (m_windowSize + 1);
+
     // reset stats on overflow of counters
     if (m_inputValueCount < m_outputValueCount) {
         m_outputValueCount = 0;