diff --git a/graphics/clang-uml/files/patch-thirdparty_indicators_indicators.hpp b/graphics/clang-uml/files/patch-thirdparty_indicators_indicators.hpp
new file mode 100644
index 000000000000..537033468d44
--- /dev/null
+++ b/graphics/clang-uml/files/patch-thirdparty_indicators_indicators.hpp
@@ -0,0 +1,22 @@
+--- thirdparty/indicators/indicators.hpp.orig	2025-03-05 16:32:09 UTC
++++ thirdparty/indicators/indicators.hpp
+@@ -1415,8 +1415,8 @@ struct interval {
+  */
+ 
+ struct interval {
+-  int first;
+-  int last;
++  wchar_t first;
++  wchar_t last;
+ };
+ 
+ /* auxiliary function for binary search in interval table */
+@@ -1666,7 +1666,7 @@ static inline std::wstring utf8_decode(const std::stri
+     setlocale(LC_ALL, curLocale.c_str());
+     return result;
+ }
+-#else 
++#else
+ static inline std::wstring utf8_decode(const std::string& s) {
+     auto r = setlocale(LC_ALL, "");
+     std::string curLocale;