diff --git a/sysdeps/unix/bsd/ultrix4/uname.S b/sysdeps/unix/bsd/ultrix4/uname.S
new file mode 100644
index 0000000000..488eeb1d97
--- /dev/null
+++ b/sysdeps/unix/bsd/ultrix4/uname.S
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/uname.S>
diff --git a/sysdeps/unix/bsd/ultrix4/utsnamelen.h b/sysdeps/unix/bsd/ultrix4/utsnamelen.h
new file mode 100644
index 0000000000..ad4389ab02
--- /dev/null
+++ b/sysdeps/unix/bsd/ultrix4/utsnamelen.h
@@ -0,0 +1 @@
+#define _UTSNAME_LENGTH 32