diff --git a/test/Makefile.am b/test/Makefile.am
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -15,6 +15,7 @@
 	test/dijkstra_test \
         test/dim_test \
 	test/error_test \
+	test/graph_copy_test \
 	test/graph_test \
 	test/graph_utils_test \
 	test/kruskal_test \
@@ -36,6 +37,7 @@
 test_dijkstra_test_SOURCES = test/dijkstra_test.cc
 test_dim_test_SOURCES = test/dim_test.cc
 test_error_test_SOURCES = test/error_test.cc
+test_graph_copy_test_SOURCES = test/graph_copy_test.cc
 test_graph_test_SOURCES = test/graph_test.cc
 test_graph_utils_test_SOURCES = test/graph_utils_test.cc
 # test_heap_test_SOURCES = test/heap_test.cc