diff --git a/extern/CMakeProject-glew.cmake b/extern/CMakeProject-glew.cmake
index a08004bda7..9eca4581de 100644
--- a/extern/CMakeProject-glew.cmake
+++ b/extern/CMakeProject-glew.cmake
@@ -1,6 +1,8 @@
 if(WITH_SYSTEM_GLEW)
   find_package(GLEW REQUIRED)
   set(GLEW_INCLUDE_DIRS ${GLEW_INCLUDE_DIRS} PARENT_SCOPE)
+  set(GLEW_LIBRARIES ${GLEW_LIBRARIES} PARENT_SCOPE)
+  set(GLEW_LIBRARY_RELEASE ${GLEW_LIBRARY_RELEASE} PARENT_SCOPE)
 else()
 
   set(GLEW_SRC "glew-1.5.8/src/glew.c")