1 files changed, 3 insertions, 0 deletions
diff --git a/spawn.c b/spawn.c
index 91fb310a..f05887b2 100644
--- a/spawn.c
+++ b/spawn.c
@@ -366,6 +366,7 @@ spawn_pane(struct spawn_context *sc, char **cause)
 			window_remove_pane(w, new_wp);
 		}
 		sigprocmask(SIG_SETMASK, &oldset, NULL);
+		environ_free(child);
 		return (NULL);
 	}
 
@@ -443,6 +444,8 @@ complete:
 	sigprocmask(SIG_SETMASK, &oldset, NULL);
 	window_pane_set_event(new_wp);
 
+	environ_free(child);
+
 	if (sc->flags & SPAWN_RESPAWN)
 		return (new_wp);
 	if ((~sc->flags & SPAWN_DETACHED) || w->active == NULL) {