diff --git a/cmake/Templates/setup.MaCh3.sh.in b/cmake/Templates/setup.MaCh3.sh.in
index a37d78b3..654e2fc2 100644
--- a/cmake/Templates/setup.MaCh3.sh.in
+++ b/cmake/Templates/setup.MaCh3.sh.in
@@ -89,6 +89,8 @@ export CUDAProb3_DIR=@CUDAProb3_SOURCE_DIR@
 
 add_to_PATH ${MaCh3_ROOT}/bin
 add_to_LD_LIBRARY_PATH ${MaCh3_ROOT}/lib
+add_to_LD_LIBRARY_PATH ${MaCh3_ROOT}/lib64
+
 
 if test -d ${MaCh3_ROOT}/pyMaCh3; then
   add_to_PYTHONPATH ${MaCh3_ROOT}