diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8cb0d1c034..14de68ff8c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -421,6 +421,7 @@ if(QUDA_DOWNLOAD_EIGEN)
     NAME Eigen
     VERSION ${QUDA_EIGEN_VERSION}
     URL https://gitlab.com/libeigen/eigen/-/archive/${QUDA_EIGEN_VERSION}/eigen-${QUDA_EIGEN_VERSION}.tar.bz2
+    URL_HASH SHA256=B4C198460EBA6F28D34894E3A5710998818515104D6E74E5CC331CE31E46E626
     DOWNLOAD_ONLY YES
     SYSTEM YES)
   target_include_directories(Eigen SYSTEM INTERFACE ${Eigen_SOURCE_DIR})
diff --git a/lib/interface_quda.cpp b/lib/interface_quda.cpp
index e5b678acfd..1d0f7d3688 100644
--- a/lib/interface_quda.cpp
+++ b/lib/interface_quda.cpp
@@ -4256,7 +4256,6 @@ void computeHISQForceQuda(void* const milc_momentum,
 
   using namespace quda;
   using namespace quda::fermion_force;
-  if (gParam->gauge_order != QUDA_MILC_GAUGE_ORDER) errorQuda("Unsupported input field order %d", gParam->gauge_order);
 
   {
     // default settings for the unitarization
@@ -4399,7 +4398,6 @@ void computeHISQForceQuda(void* const milc_momentum,
   GaugeFieldParam param(*gParam);
   param.location = QUDA_CPU_FIELD_LOCATION;
   param.create = QUDA_REFERENCE_FIELD_CREATE;
-  param.order = QUDA_MILC_GAUGE_ORDER;
   param.link_type = QUDA_ASQTAD_MOM_LINKS;
   param.reconstruct = QUDA_RECONSTRUCT_10;
   param.ghostExchange = QUDA_GHOST_EXCHANGE_NO;
@@ -4421,7 +4419,6 @@ void computeHISQForceQuda(void* const milc_momentum,
   GaugeFieldParam wParam(gParam_field);
   wParam.location = QUDA_CPU_FIELD_LOCATION;
   wParam.create = QUDA_REFERENCE_FIELD_CREATE;
-  wParam.order = QUDA_MILC_GAUGE_ORDER;
   wParam.link_type = QUDA_GENERAL_LINKS;
   wParam.ghostExchange = QUDA_GHOST_EXCHANGE_NO;
   wParam.gauge = (void *)w_link;
@@ -5590,7 +5587,7 @@ void gaugeObservablesQuda(QudaGaugeObservableParam *param)
   auto profile = pushProfile(profileGaugeObs);
   checkGaugeObservableParam(param);
 
-  if (!gaugePrecise) errorQuda("Cannot compute Polyakov loop as there is no resident gauge field");
+  if (!gaugePrecise) errorQuda("Cannot compute gauge observables as there is no resident gauge field");
 
   GaugeField *gauge = nullptr;
   if (!gaugeSmeared) {
diff --git a/lib/multigrid.cpp b/lib/multigrid.cpp
index 5241fdeabc..f355203c6a 100644
--- a/lib/multigrid.cpp
+++ b/lib/multigrid.cpp
@@ -966,7 +966,7 @@ namespace quda
       }
 
       transfer->R(x_coarse[0], tmp2);
-      static_cast<DiracCoarse *>(diracCoarseResidual)->M(r_coarse, tmp_coarse);
+      static_cast<DiracCoarse *>(diracCoarseResidual)->M(r_coarse[0], tmp_coarse);
 
 #if 0 // enable to print out emulated and actual coarse-grid operator vectors for debugging
       setOutputPrefix("");