diff --git a/zorg/buildbot/builders/sanitizers/buildbot_functions.sh b/zorg/buildbot/builders/sanitizers/buildbot_functions.sh
--- a/zorg/buildbot/builders/sanitizers/buildbot_functions.sh
+++ b/zorg/buildbot/builders/sanitizers/buildbot_functions.sh
@@ -169,7 +169,9 @@
       -DLLVM_USE_SANITIZER=${llvm_use_sanitizer} \
       $LLVM && \
     ninja cxx cxxabi) || echo $step_result
-  local sanitizer_ldflags="-lc++abi -Wl,--rpath=${ROOT}/${libcxx_build_dir}/lib -L${ROOT}/${libcxx_build_dir}/lib"
+
+  libcxx_runtime_path=$(dirname $(find ${ROOT}/${libcxx_build_dir} -name libc++.so))
+  local sanitizer_ldflags="-lc++abi -Wl,--rpath=${libcxx_runtime_path} -L${libcxx_runtime_path}"
   local sanitizer_cflags="-nostdinc++ -isystem ${ROOT}/${libcxx_build_dir}/include -isystem ${ROOT}/${libcxx_build_dir}/include/c++/v1"
 
   echo @@@BUILD_STEP stage2/$sanitizer_name build@@@