diff --git a/srcpkgs/reptyr/patches/musl.patch b/srcpkgs/reptyr/patches/musl.patch
new file mode 100644
index 00000000000..02d1a0b71a6
--- /dev/null
+++ b/srcpkgs/reptyr/patches/musl.patch
@@ -0,0 +1,12 @@
+--- ptrace.h	2020-01-02 17:05:32.920795583 +0100
++++ ptrace.h	2020-01-02 17:05:46.203324659 +0100
+@@ -22,6 +22,9 @@
+ #ifndef PTRACE_H
+ #define PTRACE_H
+ 
++#ifdef __linux__
++#include <asm/ptrace.h>
++#endif
+ #include <sys/ptrace.h>
+ #include <sys/types.h>
+ #include <sys/user.h>