diff --git a/test_problems/cathermo/Makefile.am b/test_problems/cathermo/Makefile.am
index 8c1e86c88..6f9c610ea 100644
--- a/test_problems/cathermo/Makefile.am
+++ b/test_problems/cathermo/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS = DH_graph_1 DH_graph_acommon DH_graph_bdotak/
+SUBDIRS = DH_graph_1 DH_graph_acommon DH_graph_bdotak/ DH_graph_Pitzer/ DH_graph_NM/
 
-# DH_graph_Pitzer/  HMW_graph_CpvT/  HMW_graph_GvT/  HMW_graph_VvT/  HMW_test_3/  issp/     Makefile.am  stoichSubSSTP/  testIAPWSPres/   testWaterPDSS/  VPissp/
-# DH_graph_NM/      HMW_dupl_test/    HMW_graph_GvI/   HMW_graph_HvT/  HMW_test_1/     ims/         Makefile  Makefile.in  testIAPWS/      testIAPWSTripP/  testWaterTP/    wtWater/
+#  HMW_graph_CpvT/  HMW_graph_GvT/  HMW_graph_VvT/  HMW_test_3/  issp/     Makefile.am  stoichSubSSTP/  testIAPWSPres/   testWaterPDSS/  VPissp/
+#  HMW_dupl_test/    HMW_graph_GvI/   HMW_graph_HvT/  HMW_test_1/     ims/         Makefile  Makefile.in  testIAPWS/      testIAPWSTripP/  testWaterTP/    wtWater/