diff --git a/devel/tinycbor/files/patch-tests-parser-tst_parser.cpp b/devel/tinycbor/files/patch-tests-parser-tst_parser.cpp
new file mode 100644
index 000000000000..77a3c01ce105
--- /dev/null
+++ b/devel/tinycbor/files/patch-tests-parser-tst_parser.cpp
@@ -0,0 +1,12 @@
+--- tests/parser/tst_parser.cpp.orig	2026-02-18 17:25:07 UTC
++++ tests/parser/tst_parser.cpp
+@@ -22,7 +22,9 @@
+ **
+ ****************************************************************************/
+ 
++#if !defined(__FreeBSD__)
+ #define _XOPEN_SOURCE 700
++#endif
+ #define  _DARWIN_C_SOURCE 1         /* need MAP_ANON */
+ #include <QtTest>
+ #include "cbor.h"