diff --git a/contrib/zlib/CMakeLists.txt b/contrib/zlib/CMakeLists.txt
index f088646a7..0e8a4b1e1 100644
--- a/contrib/zlib/CMakeLists.txt
+++ b/contrib/zlib/CMakeLists.txt
@@ -198,11 +198,11 @@ endif(MINGW)
 
 add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
 
-#IF(WIN32)
-#    INSTALL( TARGETS zlibstatic
-#             EXPORT "${TARGETS_EXPORT_NAME}"
-#             LIBRARY DESTINATION ${ASSIMP_LIB_INSTALL_DIR}
-#             ARCHIVE DESTINATION ${ASSIMP_LIB_INSTALL_DIR}
-#             RUNTIME DESTINATION ${ASSIMP_BIN_INSTALL_DIR}
-#             COMPONENT ${LIBASSIMP_COMPONENT})
-#ENDIF()
+IF(WIN32)
+    INSTALL( TARGETS zlibstatic
+             EXPORT "${TARGETS_EXPORT_NAME}"
+             LIBRARY DESTINATION ${ASSIMP_LIB_INSTALL_DIR}
+             ARCHIVE DESTINATION ${ASSIMP_LIB_INSTALL_DIR}
+             RUNTIME DESTINATION ${ASSIMP_BIN_INSTALL_DIR}
+             COMPONENT ${LIBASSIMP_COMPONENT})
+ENDIF()