diff --git a/fantemp/terminal.hpp b/fantemp/terminal.hpp
index 0a2e916..ab33938 100644
--- a/fantemp/terminal.hpp
+++ b/fantemp/terminal.hpp
@@ -284,7 +284,9 @@ class Terminal {
 				const auto histogramSamples = Statistics::getHistogram(t);
 				m_serial.template txNumber<uint8_t, 10, 2>(t);
 				m_serial << F(" C = ");
-				m_serial.template txNumber<uint8_t, 10, 3, ' '>((histogramSamples * 100) / totalSamples);
+				const auto percent =
+				    static_cast<uint8_t>((2 * 100 * histogramSamples + totalSamples) / (2 * totalSamples));
+				m_serial.template txNumber<uint8_t, 10, 3, ' '>(percent);
 				m_serial << F("%\t");
 				const auto normalizedSamples = static_cast<uint8_t>(histogramSamples / normalizationFactor);
 				for (uint8_t i = 0; i < normalizedSamples; ++i) {