diff --git a/polish/kadu/files/patch-kadu-core_main.cpp b/polish/kadu/files/patch-kadu-core_main.cpp
new file mode 100644
index 000000000000..82dd84e32212
--- /dev/null
+++ b/polish/kadu/files/patch-kadu-core_main.cpp
@@ -0,0 +1,14 @@
+Index: kadu-core/main.cpp
+===================================================================
+--- kadu-core/main.cpp	2008-02-26 01:07:33.000000000 +0100
++++ kadu-core/main.cpp	2008-03-12 10:55:42.000000000 +0100
+@@ -50,6 +50,9 @@
+ #ifdef HAVE_EXECINFO
+ #include <execinfo.h>
+ #endif
++#ifdef __FreeBSD__
++typedef union sigval sigval_t;
++#endif /* __FreeBSD__ */
+ #define OPEN_CHAT_SIGNAL (SIGRTMIN + 7)
+ 
+ static int sigsegvCount = 0;