diff --git a/lib/erl/Makefile.am b/lib/erl/Makefile.am
index 8867f88..06323b4 100644
--- a/lib/erl/Makefile.am
+++ b/lib/erl/Makefile.am
@@ -23,6 +23,7 @@
 		  $(THRIFT_OMIT_FILE) \
 		  ../../test/ConstantsDemo.thrift \
 		  ../../test/NameConflictTest.thrift \
+		  ../../test/DoubleConstantsTest.thrift \
 		  ../../test/ThriftTest.thrift
 
 if ERLANG_OTP16