diff --git a/CMakeLists.txt b/CMakeLists.txt
index 08a7b55..6798f14 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,11 +25,9 @@ download_project(PROJ               POLYSCOPE
                  PREFIX             ${EXTERNAL_DEPS_DIR}
                  ${UPDATE_DISCONNECTED_IF_AVAILABLE}
 )
-if(NOT EXISTS ${POLYSCOPE_BINARY_DIR})
 add_subdirectory(${POLYSCOPE_SOURCE_DIR} ${POLYSCOPE_BINARY_DIR})
 add_compile_definitions(POLYSCOPE_DEFINED)
 endif()
-endif()
 
 #dlib
 set(DLIB_BIN_DIR ${CMAKE_CURRENT_BINARY_DIR}/dlib_bin)
@@ -50,6 +48,7 @@ download_project(PROJ		    vcglib_devel
                  PREFIX             ${EXTERNAL_DEPS_DIR}
                  ${UPDATE_DISCONNECTED_IF_AVAILABLE}
 )
+add_subdirectory(${vcglib_devel_SOURCE_DIR} ${vcglib_devel_BINARY_DIR})
 
 ##matplot++ lib
 download_project(PROJ               MATPLOTPLUSPLUS
@@ -100,10 +99,13 @@ target_include_directories(${PROJECT_NAME}
     )
 
 if(${MYSOURCES_STATIC_LINK})
+        message("Linking statically")
         target_link_libraries(${PROJECT_NAME} -static Eigen3::Eigen matplot dlib::dlib ThreedBeamFEA ${TBB_BINARY_DIR}/libtbb_static.a pthread)
-elseif(${USE_POLYSCOPE})
-        target_link_libraries(${PROJECT_NAME} Eigen3::Eigen matplot dlib::dlib glad ThreedBeamFEA tbb pthread polyscope)
 else()
-        target_link_libraries(${PROJECT_NAME} Eigen3::Eigen matplot dlib::dlib glad ThreedBeamFEA tbb pthread)
+        target_link_libraries(${PROJECT_NAME} Eigen3::Eigen matplot dlib::dlib ThreedBeamFEA tbb pthread)
+        if(${USE_POLYSCOPE})
+                target_link_libraries(${PROJECT_NAME} polyscope)
+        endif()
 endif()
+
 target_link_directories(MySources PUBLIC ${CMAKE_CURRENT_LIST_DIR}/boost_graph/libs)