diff --git a/CMake/cdat_modules/dateutils_external.cmake b/CMake/cdat_modules/dateutils_external.cmake
index d12097fd3b..20b01eb89c 100644
--- a/CMake/cdat_modules/dateutils_external.cmake
+++ b/CMake/cdat_modules/dateutils_external.cmake
@@ -2,5 +2,6 @@
 # create an external project to install MyProxyClient,
 # and configure and build it
 set(nm DATEUTILS)
-
+set(USER_INSTALL_OPTIONS --old-and-unmanageable)
 include(pipinstaller)
+unset(USER_INSTALL_OPTIONS)
diff --git a/CMake/cmake_modules/pipinstaller.cmake b/CMake/cmake_modules/pipinstaller.cmake
index 34ef1648fe..c0c30474e0 100644
--- a/CMake/cmake_modules/pipinstaller.cmake
+++ b/CMake/cmake_modules/pipinstaller.cmake
@@ -33,7 +33,7 @@ ExternalProject_Add(${nm}
   BUILD_IN_SOURCE 1
   CONFIGURE_COMMAND ""
   BUILD_COMMAND ""
-  INSTALL_COMMAND env LD_LIBRARY_PATH=$ENV{LD_LIBRARY_PATH} CFLAGS=$ENV{CFLAGS} LDFLAGS=$ENV{LDFLAGS} PKG_CONFIG_PATH=$ENV{PKG_CONFIG_PATH} PYTHONPATH=${PYTHONPATH} ${USR_ENVS} ${PYTHON_EXECUTABLE} setup.py install ${PRFX}
+  INSTALL_COMMAND env LD_LIBRARY_PATH=$ENV{LD_LIBRARY_PATH} CFLAGS=$ENV{CFLAGS} LDFLAGS=$ENV{LDFLAGS} PKG_CONFIG_PATH=$ENV{PKG_CONFIG_PATH} PYTHONPATH=${PYTHONPATH} ${USR_ENVS} ${PYTHON_EXECUTABLE} setup.py install ${USER_INSTALL_OPTIONS} ${PRFX}
   DEPENDS ${${nm}_deps}
   ${ep_log_options}
 )