diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ddeb144..49dcf02 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -299,7 +299,9 @@ if(BUILD_PANGOLIN_PYTHON AND BUILD_PANGOLIN_GUI AND BUILD_PANGOLIN_VARS AND NOT
 
   if(pybind11_FOUND)
     set(HAVE_PYTHON 1)
-
+  if (UNIX)
+    set(PYTHON_LIBRARY ${PYTHON_LIBRARY} dl util)
+  endif()
     file(GLOB pypangolin_SRC "python/pypangolin/*.cpp" )
     file(GLOB pypangolin_HDR "python/pypangolin/*.hpp" )
     list(APPEND HEADERS