diff -up ./lib/eventlog/eventlog.c.separator ./lib/eventlog/eventlog.c
--- ./lib/eventlog/eventlog.c.separator	2025-03-31 17:03:34.700244658 +0200
+++ ./lib/eventlog/eventlog.c	2025-03-31 17:04:39.943669191 +0200
@@ -176,6 +176,7 @@ new_logline(int event_type, int flags, s
             sudo_lbuf_append_esc(&lbuf, LBUF_ESC_CNTRL, " %s",
                                  evlog->env_add[i]);
         }
+        sudo_lbuf_append(&lbuf, " ; ");
     }
     if (evlog->command != NULL) {
         sudo_lbuf_append_esc(&lbuf, LBUF_ESC_CNTRL|LBUF_ESC_BLANK,