diff --git a/databases/mariadb106-server/files/patch-client_mysqltest.cc b/databases/mariadb106-server/files/patch-client_mysqltest.cc
new file mode 100644
index 000000000000..f6543132234f
--- /dev/null
+++ b/databases/mariadb106-server/files/patch-client_mysqltest.cc
@@ -0,0 +1,10 @@
+--- client/mysqltest.cc.orig	2026-01-31 11:50:12.000000000 +0100
++++ client/mysqltest.cc	2026-02-08 10:42:07.309651000 +0100
+@@ -35,6 +35,7 @@
+ 
+ #define VER "3.5"
+ 
++#include <ctype.h>
+ #include "client_priv.h"
+ #include <mysql_version.h>
+ #include <mysqld_error.h>