diff --git a/docs/examples/Makefile.am b/docs/examples/Makefile.am
index 64b561dc04..ba52ce2682 100644
--- a/docs/examples/Makefile.am
+++ b/docs/examples/Makefile.am
@@ -5,7 +5,8 @@
 AUTOMAKE_OPTIONS = foreign no-dependencies
 
 EXTRA_DIST = README curlgtk.c sepheaders.c simple.c postit.c \
-	     win32sockets.c persistant.c ftpget.c Makefile.example
+	     win32sockets.c persistant.c ftpget.c Makefile.example \
+	     multithread.c
 
 all:
 	@echo "done"