diff --git a/vehicle/OVMS.V3/main/ovms_metrics.cpp b/vehicle/OVMS.V3/main/ovms_metrics.cpp
index 9946d3801..465054b01 100644
--- a/vehicle/OVMS.V3/main/ovms_metrics.cpp
+++ b/vehicle/OVMS.V3/main/ovms_metrics.cpp
@@ -2149,7 +2149,7 @@ bool OvmsMetricBool::SetValue(std::string value, metric_unit_t units)
 
 bool OvmsMetricBool::SetValue(const dbcNumber& value, metric_unit_t units)
   {
-  return SetValue((bool)value.GetUnsignedInteger(), units);
+  return SetValue((uint32_t)(bool)value.GetUnsignedInteger(), units);
   }
 
 void OvmsMetricBool::Clear()