--- a/src/78_eph/m_sigmaph.F90	2025-06-07 17:13:40.438739578 +0300
+++ b/src/78_eph/m_sigmaph.F90	2025-06-04 12:30:35.000000000 +0300
@@ -663,7 +663,7 @@
  type(hdr_type) :: pot_hdr
  type(phstore_t) :: phstore
  type(u1_cache_t) :: u1c
- type(stern_t) :: stern
+ type(stern_t),target :: stern
  type(pstat_t) :: pstat
  character(len=5000) :: msg
  character(len=fnlen) :: sigeph_filepath