diff --git a/MaterialLib/CMakeLists.txt b/MaterialLib/CMakeLists.txt
index c870201ece9..a056c6aebc9 100644
--- a/MaterialLib/CMakeLists.txt
+++ b/MaterialLib/CMakeLists.txt
@@ -32,8 +32,13 @@ append_source_files(SOURCES PorousMedium/UnsaturatedProperty/CapillaryPressure)
 append_source_files(
     SOURCES PorousMedium/UnsaturatedProperty/RelativePermeability
 )
+if(CONDA_BUILD)
+    set(_static_on_conda STATIC)
+endif()
 
-ogs_add_library(MaterialLib GENERATE_EXPORT_HEADER ${SOURCES})
+ogs_add_library(
+    MaterialLib GENERATE_EXPORT_HEADER ${_static_on_conda} ${SOURCES}
+)
 
 target_link_libraries(
     MaterialLib PUBLIC BaseLib Eigen3::Eigen MaterialLib_SolidModels
diff --git a/MaterialLib/MPL/Utils/FormKelvinVector.h b/MaterialLib/MPL/Utils/FormKelvinVector.h
index efb2dd2d222..5ade040ae7f 100644
--- a/MaterialLib/MPL/Utils/FormKelvinVector.h
+++ b/MaterialLib/MPL/Utils/FormKelvinVector.h
@@ -35,4 +35,10 @@ template <int GlobalDim>
 MathLib::KelvinVector::KelvinVectorType<GlobalDim> formKelvinVector(
     MaterialPropertyLib::PropertyDataType const& values);
 
+extern template MathLib::KelvinVector::KelvinVectorType<2> formKelvinVector<2>(
+    MaterialPropertyLib::PropertyDataType const& values);
+
+extern template MathLib::KelvinVector::KelvinVectorType<3> formKelvinVector<3>(
+    MaterialPropertyLib::PropertyDataType const& values);
+
 }  // namespace MaterialPropertyLib