diff --git a/test/erl/Makefile.am b/test/erl/Makefile.am
index a54e217..1940ce3 100644
--- a/test/erl/Makefile.am
+++ b/test/erl/Makefile.am
@@ -17,7 +17,7 @@
 # under the License.
 #
 
-THRIFT = $(top_srcdir)/compiler/cpp/thrift
+THRIFT = $(top_builddir)/compiler/cpp/thrift
 REBAR = $(top_srcdir)/lib/erl/rebar
 
 THRIFT_FILES = $(wildcard ../*.thrift)