diff --git a/src/PowerLimiter.cpp b/src/PowerLimiter.cpp
index f3163f841..138076a8b 100644
--- a/src/PowerLimiter.cpp
+++ b/src/PowerLimiter.cpp
@@ -352,7 +352,7 @@ int32_t PowerLimiterClass::inverterPowerDcToAc(std::shared_ptr<InverterAbstract>
     CONFIG_T& config = Configuration.get();
 
     float inverterEfficiencyPercent = inverter->Statistics()->getChannelFieldValue(
-        TYPE_AC, CH0, FLD_EFF);
+        TYPE_INV, CH0, FLD_EFF);
 
     // fall back to hoymiles peak efficiency as per datasheet if inverter
     // is currently not producing (efficiency is zero in that case)