diff --git a/var/spack/repos/builtin/packages/trilinos/package.py b/var/spack/repos/builtin/packages/trilinos/package.py
index 65b91b2831..8defeb24a1 100644
--- a/var/spack/repos/builtin/packages/trilinos/package.py
+++ b/var/spack/repos/builtin/packages/trilinos/package.py
@@ -610,7 +610,8 @@ def cmake_args(self):
             # use @rpath on Sierra due to limit of dynamic loader
             options.append('-DCMAKE_MACOSX_RPATH=ON')
         else:
-            options.append('-DCMAKE_INSTALL_NAME_DIR:PATH=%s' % prefix.lib)
+            options.append('-DCMAKE_INSTALL_NAME_DIR:PATH=%s' %
+                           self.prefix.lib)
 
         if spec.satisfies('%intel') and spec.satisfies('@12.6.2'):
             # Panzer uses some std:chrono that is not recognized by Intel