*** src/include/pcp/pcp_stream.h	2025-08-15 16:47:16.214748366 +0900
--- pcp_stream.h	2025-08-15 16:47:07.339772297 +0900
***************
*** 49,54 ****
  extern int	pcp_write(PCP_CONNECTION *pc, void *buf, int len);
  extern int	pcp_flush(PCP_CONNECTION *pc);
  
! #define UNIX_DOMAIN_PATH "/tmp"
  
  #endif							/* PCP_STREAM_H */
--- 49,54 ----
  extern int	pcp_write(PCP_CONNECTION *pc, void *buf, int len);
  extern int	pcp_flush(PCP_CONNECTION *pc);
  
! #define UNIX_DOMAIN_PATH "/var/run/postgresql"
  
  #endif							/* PCP_STREAM_H */
