diff --git a/src/shared/find-esp.c b/src/shared/find-esp.c
index 084dd1c1e2..d474bb41a0 100644
--- a/src/shared/find-esp.c
+++ b/src/shared/find-esp.c
@@ -527,7 +527,7 @@ int find_esp_and_warn(
                                flags | VERIFY_ESP_SEARCHING);
                 if (r >= 0)
                         goto found;
-                if (!IN_SET(r, -ENOENT, -EADDRNOTAVAIL, -ENOTDIR)) /* This one is not it */
+                if (!IN_SET(r, -ENOENT, -EADDRNOTAVAIL, -ENOTDIR, -ENOTTY)) /* This one is not it */
                         return r;
 
                 p = mfree(p);