diff --git a/srcpkgs/socat/patches/patch-99-musl.patch b/srcpkgs/socat/patches/patch-99-musl.patch
new file mode 100644
index 00000000000..fba8722cde2
--- /dev/null
+++ b/srcpkgs/socat/patches/patch-99-musl.patch
@@ -0,0 +1,11 @@
+--- xiosysincludes.h.orig	2015-06-18 07:36:06.652289362 +0200
++++ xiosysincludes.h	2015-06-18 07:36:23.364469683 +0200
+@@ -10,4 +10,8 @@
+ 
+ #include "sysincludes.h"
+ 
++#ifndef NETDB_INTERNAL
++#define NETDB_INTERNAL -1
++#endif
++
+ #endif /* !defined(__xiosysincludes_h_included) */