diff --git a/RbcUkqcd.hpp b/RbcUkqcd.hpp
index 522e290..e7040e5 100644
--- a/RbcUkqcd.hpp
+++ b/RbcUkqcd.hpp
@@ -210,7 +210,7 @@ void RbcUkqcd::addC0LightZMobiusLCDSolver(Application &app, const std::string so
   epPar.sizeCoarse = 2000;
   epPar.Ls = 10;
   epPar.blockSize = "4 4 4 3 10";
-  epPar.orthogonalise = false;
+  epPar.orthogonalise = gaugeFixed;
   epPar.gaugeXform = gaugeFixed ? (prefix + "_gaugeTransform_fp32") : "";
   app.createModule<MIO::LoadCoarseFermionEigenPack250F>(prefix + "_epack", epPar);