diff --git a/sci-ml/caffe2/files/caffe2-2.5.1-newfix-functorch-install.patch b/sci-ml/caffe2/files/caffe2-2.5.1-newfix-functorch-install.patch
index 499a3c74c87f5..91eed46b813eb 100644
--- a/sci-ml/caffe2/files/caffe2-2.5.1-newfix-functorch-install.patch
+++ b/sci-ml/caffe2/files/caffe2-2.5.1-newfix-functorch-install.patch
@@ -5,4 +5,4 @@
    set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS ${TORCH_PYTHON_LINK_FLAGS})
  endif()
 -install(TARGETS ${PROJECT_NAME} DESTINATION "${CMAKE_CURRENT_SOURCE_DIR}")
-+install(TARGETS ${PROJECT_NAME} DESTINATION "/var/lib/caffe2/")
++install(TARGETS ${PROJECT_NAME} DESTINATION "$ENV{$EPREFIX}/var/lib/caffe2/")