diff --git a/nc_cxx.cmake b/nc_cxx.cmake
index 99575fa..b41d1a7 100644
--- a/nc_cxx.cmake
+++ b/nc_cxx.cmake
@@ -76,6 +76,7 @@ add_definitions("-Drestrict=${RESTRICT_KEYWORD}")
 append_compile_flag("-pipe")
 append_compile_flag("-fno-deduce-init-list")
 append_compile_flag("-fvisibility=hidden")
+append_compile_flag("-fPIC")
 
 append_compile_flag("-D__STDC_FORMAT_MACROS")