diff --git a/platforms/win32/fillup.sed b/platforms/win32/fillup.sed
index 1f76fa808a4..c3e81f5421d 100644
--- a/platforms/win32/fillup.sed
+++ b/platforms/win32/fillup.sed
@@ -9,7 +9,7 @@ s#@sd_password@#XXX_REPLACE_WITH_STORAGE_PASSWORD_XXX#g
 s#@dir_port@#9101#g
 s#@fd_port@#9102#g
 s#@sd_port@#9103#g
-s#@plugindir@#C:/Program Files/Bareos/Plugins#g
+s#@plugindir@#"C:/Program Files/Bareos/Plugins"#g
 s#@archivedir@#C:/bareos-storage#g
 s#@scriptdir@#C:/Program Files/Bareos#g
 s#@working_dir@#C:/ProgramData/Bareos/working#g