diff --git a/modules/io/pymod/CMakeLists.txt b/modules/io/pymod/CMakeLists.txt
index 023e000b89398ba1d2284b5f9fa778c1eb8dffd2..38f43cdfae0dae30f926ce679fbb0fcbeefe240b 100644
--- a/modules/io/pymod/CMakeLists.txt
+++ b/modules/io/pymod/CMakeLists.txt
@@ -18,6 +18,6 @@ set(OST_IO_PYMOD_MODULES
 pymod(NAME io CPP ${OST_IO_PYMOD_SOURCES} PY ${OST_IO_PYMOD_MODULES})
 if (STATIC_LIBRARIES)
   message("adding zlib libraries")
-  target_link_libraries(_io ${ZLIB_LIBRARIES})
+  target_link_libraries(_ost_io ${ZLIB_LIBRARIES})
 endif()
 
diff --git a/modules/mol/alg/src/CMakeLists.txt b/modules/mol/alg/src/CMakeLists.txt
index 47c9af142248f8a4ee18cc65bbf24fd59d7f8f92..2e3d94b132b02cccb02401641ec9bf0736934b2c 100644
--- a/modules/mol/alg/src/CMakeLists.txt
+++ b/modules/mol/alg/src/CMakeLists.txt
@@ -39,6 +39,7 @@ endif()
 
 executable(NAME ldt SOURCES ldt.cc 
            DEPENDS_ON ost_io ost_mol_alg STATIC)
+target_link_libraries(ldt ${BOOST_PROGRAM_OPTIONS})
 
 module(NAME mol_alg SOURCES ${OST_MOL_ALG_SOURCES}
        HEADERS ${OST_MOL_ALG_HEADERS}