diff --git a/srcpkgs/libotr/patches/missing-include.patch b/srcpkgs/libotr/patches/missing-include.patch
new file mode 100644
index 00000000000..d58f1419199
--- /dev/null
+++ b/srcpkgs/libotr/patches/missing-include.patch
@@ -0,0 +1,10 @@
+--- a/tests/regression/client/client.c
++++ b/tests/regression/client/client.c
+@@ -26,6 +26,7 @@
+ #include <stdlib.h>
+ #include <syscall.h>
+ #include <sys/epoll.h>
++#include <sys/socket.h>
+ #include <sys/types.h>
+ #include <sys/un.h>
+ #include <unistd.h>