diff --git a/CMakeLists.txt b/CMakeLists.txt
index d7bd725bf7f3b638d7c26969effacba30dc943f2..4be8ab7a10fb0a09e98e4f246bfeff487c7e88a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.11)
+cmake_minimum_required(VERSION 3.12)
 project(lib4neuro)
 
 message("Using CMake ${CMAKE_VERSION}")
diff --git a/DownloadOpenBLAS.cmake b/DownloadOpenBLAS.cmake
index 57e669c7131160c7bfff77c4c53e2c3d00c594b9..ac640f14a55ae28f48f67751120c99736a38bda2 100644
--- a/DownloadOpenBLAS.cmake
+++ b/DownloadOpenBLAS.cmake
@@ -20,6 +20,11 @@ FetchContent_Populate(OpenBLAS)
 ##################
 # Build OpenBLAS #
 ##################
+
+# Add a compile flag -lgfortran and -lpthreads
+set(OLD_CMAKE_EXE_LINKER_FLAGS  ${CMAKE_EXE_LINKER_FLAGS})
+set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -lgfortran -lpthread")
+
 execute_process(
     COMMAND cmake -j ${N_CORES} .
     WORKING_DIRECTORY ${OPENBLAS_LOCAL_PATH}
@@ -29,9 +34,6 @@ if(NOT rv STREQUAL "0")
     message("OpenBLAS build: cmake .: ${rv}")
 endif()
 
-# Add a compile flag -lgfortran and -lpthreads
-set_target_properties(openblas PROPERTIES LINK_FLAGS "-lgfortran -lpthreads")
-
 # Build library
 execute_process(
     COMMAND cmake --build . -j ${N_CORES} --config Release
@@ -42,6 +44,9 @@ if(NOT rv STREQUAL "0")
     message("OpenBLAS build: cmake --build . -j ${N_CORES}: ${rv}")
 endif()
 
+# Remove link flags
+set(CMAKE_EXE_LINKER_FLAGS ${OLD_CMAKE_EXE_LINKER_FLAGS})
+
 set(OpenBLAS_DIR ${CMAKE_CURRENT_LIST_DIR}/external_dependencies/OpenBLAS)
 find_package(OpenBLAS)