diff --git a/pyproject.toml b/pyproject.toml
index 3ff8531..ffd28b4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,6 @@ version = "0.0.1"
 cmake.version = ">=3.15"
 
 #
-cmake.args=['-DTARGET=libug4','-DPARALLEL:BOOL=OFF','-DUSE_PYBIND11:BOOL=ON', '-DSTATIC_BUILD:BOOL=ON','-DCPU=1', '-DDIM=2','-DConvectionDiffusion:BOOL=ON' ] 
+cmake.args=['-DCMAKE_POSITION_INDEPENDENT_CODE=ON', '-DTARGET=libug4','-DPARALLEL:BOOL=OFF','-DUSE_PYBIND11:BOOL=ON', '-DSTATIC_BUILD:BOOL=ON','-DCPU=1', '-DDIM=2','-DConvectionDiffusion:BOOL=ON' ] 
 
 logging.level = "DEBUG"