diff --git a/SConstruct b/SConstruct
index 0b90fda49..3c498c0cb 100644
--- a/SConstruct
+++ b/SConstruct
@@ -710,10 +710,10 @@ if env['boost_inc_dir']:
     env.Append(CPPPATH=env['boost_inc_dir'])
 
 if env['boost_lib_dir']:
-    env.Append(LIBPATH=env['boost_lib_dir'])
+    env.Append(LIBPATH=[env['boost_lib_dir']])
 
 if env['blas_lapack_dir']:
-    env.Append(LIBPATH=env['blas_lapack_dir'])
+    env.Append(LIBPATH=[env['blas_lapack_dir']])
 
 if (env['use_sundials'] == 'default' and
     (env['sundials_include'] or env['sundials_libdir'])):
diff --git a/src/SConscript b/src/SConscript
index 82f5c1d81..37fa6dd17 100644
--- a/src/SConscript
+++ b/src/SConscript
@@ -61,6 +61,9 @@ if localenv['OS'] in ('Darwin', 'Windows'):
     if (localenv['use_sundials'] == 'y'):
         localenv.Append(LIBS=localenv['sundials_libs'],
                         LIBPATH=localenv['sundials_libdir'])
+    if localenv['blas_lapack_libs']:
+        localenv.Append(LIBS=localenv['blas_lapack_libs'],
+                        LIBPATH=localenv['blas_lapack_dir'])
 
 if localenv['toolchain'] == 'mingw':
     localenv.Append(LINKFLAGS=['-static-libgcc', '-static-libstdc++'])