diff --git a/configure.ac b/configure.ac
index f70ace2..48f93b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -464,7 +464,7 @@
   lib/c_glib/test/Makefile
   lib/csharp/Makefile
   lib/erl/Makefile
-  lib/erl/src/Makefile
+  lib/erl/src/thrift.app.src
   lib/hs/Makefile
   lib/java/Makefile
   lib/js/test/Makefile