diff --git a/CMakeLists.txt b/CMakeLists.txt
index 32a348ca..8ed925b5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,11 @@ CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in ${CMAKE_CURRENT_BINARY_DI
 
 
 install(DIRECTORY flow DESTINATION lib/graywolf/bin)
-install(CODE "EXECUTE_PROCESS(COMMAND ln -sf flow.noroute flow WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX}/lib/graywolf/bin/flow)")
+if ("\$ENV{DESTDIR}" STREQUAL "")
+  install(CODE "EXECUTE_PROCESS(COMMAND ln -sf flow.noroute flow WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX}/lib/graywolf/bin/flow)")
+else()
+  install(CODE "EXECUTE_PROCESS(COMMAND ln -sf flow.noroute flow WORKING_DIRECTORY \$ENV{DESTDIR}/${CMAKE_INSTALL_PREFIX}/lib/graywolf/bin/flow)")
+endif()
 
 add_subdirectory(src)
 add_subdirectory(script)