diff --git a/src/postfork.cpp b/src/postfork.cpp
index 6eb0f38de..96e38443d 100644
--- a/src/postfork.cpp
+++ b/src/postfork.cpp
@@ -317,15 +317,15 @@ bool fork_actions_make_spawn_properties(posix_spawnattr_t *attr,
         return false;
     }
 
-    bool should_set_parent_group_id = false;
-    int desired_parent_group_id = 0;
+    bool should_set_process_group_id = false;
+    int desired_process_group_id = 0;
     if (j->get_flag(JOB_CONTROL)) {
-        should_set_parent_group_id = true;
+        should_set_process_group_id = true;
 
         // PCA: I'm quite fuzzy on process groups, but I believe that the default value of 0 means
         // that the process becomes its own group leader, which is what set_child_group did in this
         // case. So we want this to be 0 if j->pgid is 0.
-        desired_parent_group_id = j->pgid;
+        desired_process_group_id = j->pgid;
     }
 
     // Set the handling for job control signals back to the default.
@@ -338,13 +338,13 @@ bool fork_actions_make_spawn_properties(posix_spawnattr_t *attr,
     short flags = 0;
     if (reset_signal_handlers) flags |= POSIX_SPAWN_SETSIGDEF;
     if (reset_sigmask) flags |= POSIX_SPAWN_SETSIGMASK;
-    if (should_set_parent_group_id) flags |= POSIX_SPAWN_SETPGROUP;
+    if (should_set_process_group_id) flags |= POSIX_SPAWN_SETPGROUP;
 
     int err = 0;
     if (!err) err = posix_spawnattr_setflags(attr, flags);
 
-    if (!err && should_set_parent_group_id)
-        err = posix_spawnattr_setpgroup(attr, desired_parent_group_id);
+    if (!err && should_set_process_group_id)
+        err = posix_spawnattr_setpgroup(attr, desired_process_group_id);
 
     // Everybody gets default handlers.
     if (!err && reset_signal_handlers) {