diff --git a/textproc/lttoolbox/files/patch-lttoolbox_ustring.h b/textproc/lttoolbox/files/patch-lttoolbox_ustring.h
new file mode 100644
index 000000000000..5dcd6478d3c5
--- /dev/null
+++ b/textproc/lttoolbox/files/patch-lttoolbox_ustring.h
@@ -0,0 +1,11 @@
+--- lttoolbox/ustring.h.orig	2025-03-06 14:48:10 UTC
++++ lttoolbox/ustring.h
+@@ -25,7 +25,7 @@
+ #include <utf8.h>
+ #include <vector>
+ #include <cstdint>
+-#include <iomanip>
++#include <iostream>
+ 
+ typedef std::basic_string<UChar> UString;
+ typedef std::basic_string_view<UChar> UStringView;