diff --git a/sysdeps/m68k/Makefile b/sysdeps/m68k/Makefile
new file mode 100644
index 0000000000..aaa96c7fc3
--- /dev/null
+++ b/sysdeps/m68k/Makefile
@@ -0,0 +1,7 @@
+# m68k/bsd really means m68k with MIT assembler syntax.
+
+ifeq ($(subdir),uf-crypt)
+
+crypt := crypt.sun3 # Use uf-crypt/crypt.sun3.S.
+
+endif # uf-crypt