diff --git a/src/configuration/Configuration.cpp b/src/configuration/Configuration.cpp
index c85e57000..845d0044c 100644
--- a/src/configuration/Configuration.cpp
+++ b/src/configuration/Configuration.cpp
@@ -192,14 +192,13 @@ namespace SlimeVR {
                     if (f.isDirectory()) {
                         continue;
                     }
-
+                    uint8_t sensorId = strtoul(f.name(), nullptr, 10);
                     m_Logger.trace("Found calibration data file: %s", f.name());
 
                     CalibrationConfig calibrationConfig;
                     f.read((uint8_t*)&calibrationConfig, sizeof(CalibrationConfig));
                     f.close();
 
-                    uint8_t sensorId = strtoul(calibrations.name(), nullptr, 10);
                     m_Logger.debug("Found sensor calibration for %s at index %d", calibrationConfigTypeToString(calibrationConfig.type), sensorId);
 
                     setCalibration(sensorId, calibrationConfig);