diff --git a/prebuilt/Makefile.am b/prebuilt/Makefile.am
index b0a24d023..5753e09f4 100644
--- a/prebuilt/Makefile.am
+++ b/prebuilt/Makefile.am
@@ -54,3 +54,8 @@ SUBDIRS = \
   x86_64-unknown-linux-gnu \
   i686-pc-linux-gnu \
   mips-unknown-linux-gnu
+
+EXTRA_DIST = \
+  32-bit-big-endian \
+  32-bit-little-endian \
+  64-bit-little-endian