diff --git a/src/osgDB/CMakeLists.txt b/src/osgDB/CMakeLists.txt
index 6f53f93b1..89c2c7d28 100644
--- a/src/osgDB/CMakeLists.txt
+++ b/src/osgDB/CMakeLists.txt
@@ -126,7 +126,7 @@ ENDIF()
 IF( ZLIB_FOUND )
     ADD_DEFINITIONS( -DUSE_ZLIB )
     INCLUDE_DIRECTORIES( ${ZLIB_INCLUDE_DIR} )
-    SET(COMPRESSION_LIBRARIES ${ZLIB_LIBRARY})
+    SET(COMPRESSION_LIBRARIES ZLIB_LIBRARY)
 ENDIF()
 
 ADD_DEFINITIONS(-DOSG_PLUGIN_EXTENSION=${CMAKE_SHARED_MODULE_SUFFIX})
@@ -135,7 +135,8 @@ LINK_INTERNAL(${LIB_NAME}
     osg
     OpenThreads
 )
-LINK_EXTERNAL(${LIB_NAME} ${OSGDB_PLATFORM_SPECIFIC_LIBRARIES} ${COMPRESSION_LIBRARIES})
+LINK_EXTERNAL(${LIB_NAME} ${OSGDB_PLATFORM_SPECIFIC_LIBRARIES})
+LINK_WITH_VARIABLES(${LIB_NAME} ${COMPRESSION_LIBRARIES})
 LINK_CORELIB_DEFAULT(${LIB_NAME})
 
 IF( ZLIB_FOUND )