diff --git a/test_problems/rankine_democxx/Makefile.in b/test_problems/rankine_democxx/Makefile.in
index 4eff7c22e..781edc60e 100644
--- a/test_problems/rankine_democxx/Makefile.in
+++ b/test_problems/rankine_democxx/Makefile.in
@@ -64,7 +64,7 @@ CANTERA_LIBDIR=@ct_libdir@
 endif
 
 # required Cantera libraries
-CANTERA_LIBS = -L$(CANTERA_LIBS) @LOCAL_LIBS@ -lctcxx
+CANTERA_LIBS = -L$(CANTERA_LIBDIR) @LOCAL_LIBS@ -lctcxx
 
 ifeq ($(in_CanteraBuildTree),1)
 CANTERA_LIBS_DEP = @LOCAL_LIBS_DEP@ $(CANTERA_LIBDIR)/libctcxx.a