diff --git a/packages/muelu/adapters/CMakeLists.txt b/packages/muelu/adapters/CMakeLists.txt
index 02f9100f1c58..a9210175512e 100644
--- a/packages/muelu/adapters/CMakeLists.txt
+++ b/packages/muelu/adapters/CMakeLists.txt
@@ -176,6 +176,7 @@ IF(${PACKAGE_NAME}_ENABLE_EXPLICIT_INSTANTIATION)
   IF (${PACKAGE_NAME}_ENABLE_Stratimikos)
     APPEND_GLOBAL_SET(MUELUADAPTERS_ETI_CLASSES
       Thyra::MueLuPreconditionerFactory
+      Thyra::XpetraLinearOp
     )
   ENDIF()
 
diff --git a/packages/muelu/adapters/stratimikos/Thyra_MueLuPreconditionerFactory_decl.hpp b/packages/muelu/adapters/stratimikos/Thyra_MueLuPreconditionerFactory_decl.hpp
index 0ba978787787..0278da0c950b 100644
--- a/packages/muelu/adapters/stratimikos/Thyra_MueLuPreconditionerFactory_decl.hpp
+++ b/packages/muelu/adapters/stratimikos/Thyra_MueLuPreconditionerFactory_decl.hpp
@@ -459,14 +459,13 @@ namespace Thyra {
         TEUCHOS_TEST_FOR_EXCEPT(Teuchos::nonnull(thyraPrecOp));
 
         typedef MueLu::XpetraOperator<Scalar,LocalOrdinal,GlobalOrdinal,Node>    MueXpOp;
-        //typedef Thyra::XpetraLinearOp<Scalar,LocalOrdinal,GlobalOrdinal,Node>    ThyXpLinOp; // unused
         const RCP<MueXpOp> muelu_xpetraOp = rcp(new MueXpOp(H));
 
         RCP<const VectorSpaceBase<Scalar> > thyraRangeSpace  = Xpetra::ThyraUtils<Scalar,LocalOrdinal,GlobalOrdinal,Node>::toThyra(muelu_xpetraOp->getRangeMap());
         RCP<const VectorSpaceBase<Scalar> > thyraDomainSpace = Xpetra::ThyraUtils<Scalar,LocalOrdinal,GlobalOrdinal,Node>::toThyra(muelu_xpetraOp->getDomainMap());
 
         RCP <Xpetra::Operator<Scalar, LocalOrdinal, GlobalOrdinal, Node> > xpOp = Teuchos::rcp_dynamic_cast<Xpetra::Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node> >(muelu_xpetraOp);
-        thyraPrecOp = Thyra::xpetraLinearOp(thyraRangeSpace, thyraDomainSpace,xpOp);
+        thyraPrecOp = Thyra::xpetraLinearOp<Scalar, LocalOrdinal, GlobalOrdinal, Node>(thyraRangeSpace, thyraDomainSpace,xpOp);
       }
 
       TEUCHOS_TEST_FOR_EXCEPT(Teuchos::is_null(thyraPrecOp));
diff --git a/packages/muelu/adapters/stratimikos/Thyra_MueLuPreconditionerFactory_def.hpp b/packages/muelu/adapters/stratimikos/Thyra_MueLuPreconditionerFactory_def.hpp
index 0899bca46c9f..c9574d818245 100644
--- a/packages/muelu/adapters/stratimikos/Thyra_MueLuPreconditionerFactory_def.hpp
+++ b/packages/muelu/adapters/stratimikos/Thyra_MueLuPreconditionerFactory_def.hpp
@@ -266,7 +266,7 @@ namespace Thyra {
       RCP<const VectorSpaceBase<Scalar> > thyraDomainSpace = Xpetra::ThyraUtils<Scalar,LocalOrdinal,GlobalOrdinal,Node>::toThyra(muelu_xpetraOp->getDomainMap());
 
       RCP <Xpetra::Operator<Scalar, LocalOrdinal, GlobalOrdinal, Node> > xpOp = Teuchos::rcp_dynamic_cast<Xpetra::Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node> >(muelu_xpetraOp);
-      thyraPrecOp = Thyra::xpetraLinearOp(thyraRangeSpace, thyraDomainSpace,xpOp);
+      thyraPrecOp = Thyra::xpetraLinearOp<Scalar, LocalOrdinal, GlobalOrdinal, Node>(thyraRangeSpace, thyraDomainSpace,xpOp);
     }
 
     TEUCHOS_TEST_FOR_EXCEPT(Teuchos::is_null(thyraPrecOp));