diff --git a/srcpkgs/rkt/patches/musl-accessperms.patch b/srcpkgs/rkt/patches/musl-accessperms.patch
new file mode 100644
index 00000000000..a7a04475429
--- /dev/null
+++ b/srcpkgs/rkt/patches/musl-accessperms.patch
@@ -0,0 +1,13 @@
+--- rkt-1.25.0/stage1/prepare-app/prepare-app.c	2017-02-20 11:16:05.000000000 +0100
++++ rkt-1.25.0/stage1/prepare-app/prepare-app.c	2017-03-06 00:55:19.536542504 +0100
+@@ -27,6 +27,10 @@
+ #include <inttypes.h>
+ #include <stdbool.h>
+ 
++#if !defined(ACCESSPERMS)
++#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
++#endif
++
+ #define err_out(_fmt, _args...)						\
+ 		fprintf(stderr, "Error: " _fmt "\n", ##_args);
+ static int exit_err;