diff --git a/cmake_aux/Modules/ARMA_FindBLAS.cmake b/cmake_aux/Modules/ARMA_FindBLAS.cmake
index 0a070484..d189f384 100644
--- a/cmake_aux/Modules/ARMA_FindBLAS.cmake
+++ b/cmake_aux/Modules/ARMA_FindBLAS.cmake
@@ -8,7 +8,7 @@
 SET(BLAS_NAMES ${BLAS_NAMES} blas)
 FIND_LIBRARY(BLAS_LIBRARY
   NAMES ${BLAS_NAMES}
-  PATHS /usr/lib64/atlas /usr/lib/atlas /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib
+  PATHS ${CMAKE_SYSTEM_LIBRARY_PATH} /usr/lib64/atlas /usr/lib/atlas /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib
   )
 
 IF (BLAS_LIBRARY)
diff --git a/cmake_aux/Modules/ARMA_FindLAPACK.cmake b/cmake_aux/Modules/ARMA_FindLAPACK.cmake
index 5395afba..202c4659 100644
--- a/cmake_aux/Modules/ARMA_FindLAPACK.cmake
+++ b/cmake_aux/Modules/ARMA_FindLAPACK.cmake
@@ -8,7 +8,7 @@
 SET(LAPACK_NAMES ${LAPACK_NAMES} lapack)
 FIND_LIBRARY(LAPACK_LIBRARY
   NAMES ${LAPACK_NAMES}
-  PATHS /usr/lib64/atlas /usr/lib/atlas /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib
+  PATHS ${CMAKE_SYSTEM_LIBRARY_PATH} /usr/lib64/atlas /usr/lib/atlas /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib
   )
 
 IF (LAPACK_LIBRARY)