diff --git a/bench/btl/cmake/FindACML.cmake b/bench/btl/cmake/FindACML.cmake
index f45ae1b..4989fa2 100644
--- a/bench/btl/cmake/FindACML.cmake
+++ b/bench/btl/cmake/FindACML.cmake
@@ -17,6 +17,7 @@
   libacml_mp.so
   PATHS
   /usr/lib
+  /usr/lib64
   $ENV{ACMLDIR}/lib
   ${LIB_INSTALL_DIR}
 )
@@ -35,6 +36,7 @@
         libacml.so libacml_mv.so
         PATHS
         /usr/lib
+        /usr/lib64
         $ENV{ACMLDIR}/lib
         ${LIB_INSTALL_DIR}
         )
diff --git a/bench/btl/cmake/FindATLAS.cmake b/bench/btl/cmake/FindATLAS.cmake
index 14b1dee..4136a98 100644
--- a/bench/btl/cmake/FindATLAS.cmake
+++ b/bench/btl/cmake/FindATLAS.cmake
@@ -3,18 +3,13 @@
   set(ATLAS_FIND_QUIETLY TRUE)
 endif (ATLAS_LIBRARIES)
 
-find_file(ATLAS_LIB libatlas.so.3 PATHS /usr/lib $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
+find_file(ATLAS_LIB libatlas.so.3 PATHS /usr/lib /usr/lib/atlas /usr/lib64 /usr/lib64/atlas $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
 find_library(ATLAS_LIB satlas PATHS $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
 
-find_file(ATLAS_LAPACK liblapack_atlas.so.3 PATHS /usr/lib $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
-find_library(ATLAS_LAPACK lapack_atlas PATHS $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
+find_file(ATLAS_LAPACK NAMES liblapack_atlas.so.3 liblapack.so.3 PATHS /usr/lib /usr/lib/atlas /usr/lib64 /usr/lib64/atlas $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
+find_library(ATLAS_LAPACK NAMES lapack_atlas lapack PATHS $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
 
-if(NOT ATLAS_LAPACK)
-  find_file(ATLAS_LAPACK liblapack.so.3 PATHS /usr/lib/atlas $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
-  find_library(ATLAS_LAPACK lapack PATHS $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
-endif(NOT ATLAS_LAPACK)
-
-find_file(ATLAS_F77BLAS libf77blas.so.3 PATHS /usr/lib $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
+find_file(ATLAS_F77BLAS libf77blas.so.3 PATHS /usr/lib /usr/lib/atlas /usr/lib64 /usr/lib64/atlas $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
 find_library(ATLAS_F77BLAS f77blas PATHS $ENV{ATLASDIR} ${LIB_INSTALL_DIR})
 
 if(ATLAS_LIB AND ATLAS_CBLAS AND ATLAS_LAPACK AND ATLAS_F77BLAS)
diff --git a/bench/btl/cmake/FindCBLAS.cmake b/bench/btl/cmake/FindCBLAS.cmake
index 554f029..ce0f2f2 100644
--- a/bench/btl/cmake/FindCBLAS.cmake
+++ b/bench/btl/cmake/FindCBLAS.cmake
@@ -23,6 +23,7 @@
   libcblas.so.3
   PATHS
   /usr/lib
+  /usr/lib64
   $ENV{CBLASDIR}/lib
   ${LIB_INSTALL_DIR}
 )