diff --git a/src/tabcontrollers/StatisticsTabController.cpp b/src/tabcontrollers/StatisticsTabController.cpp
index 5c2c2ab..89e7713 100644
--- a/src/tabcontrollers/StatisticsTabController.cpp
+++ b/src/tabcontrollers/StatisticsTabController.cpp
@@ -48,7 +48,7 @@ void StatisticsTabController::eventLoopTick(
             }
             else
             {
-                auto delta = std::sqrt(
+                float delta = std::sqrt(
                     std::pow( m[0][3] - lastHmdPos[0],
                               2 ) /*+ std::pow(m[1][3] - lastHmdPos[1], 2)*/
                     + std::pow( m[2][3] - lastHmdPos[2], 2 ) );