diff --git a/src/eez/modules/psu/calibration.cpp b/src/eez/modules/psu/calibration.cpp
index e30edaf6e..e349820bb 100644
--- a/src/eez/modules/psu/calibration.cpp
+++ b/src/eez/modules/psu/calibration.cpp
@@ -266,7 +266,7 @@ void CalibrationBase::getMinValue(CalibrationValueType valueType, float &value,
         return;
     }
 
-    value = 0.05f;
+    value = 0.0f;
     unit = UNIT_AMPER;
 }