diff --git a/schroedinger/schroedinger/Makefile.am b/schroedinger/schroedinger/Makefile.am

index c1240fe..4bac3d2 100644

--- a/schroedinger/schroedinger/Makefile.am

+++ b/schroedinger/schroedinger/Makefile.am

@@ -158,7 +158,7 @@ libschroedinger_@SCHRO_MAJORMINOR@_la_LIBADD = \

 libschroedinger_@SCHRO_MAJORMINOR@_la_LDFLAGS = \

 	-no-undefined \

 	-version-info $(SCHRO_LIBVERSION) \

-	-export-symbols-regex '^schro_'

+	-export-symbols-regex '^(schro_|_orc_code_orc_)'

 %.c.gcov: .libs/libschroedinger_@SCHRO_MAJORMINOR@_la-%.gcda %.c

 	$(GCOV) -b -f -o $^ > $@.out