diff --git a/contrib/build_sysimg.jl b/contrib/build_sysimg.jl
index 8c08248f5a767..7ca643f9204b5 100644
--- a/contrib/build_sysimg.jl
+++ b/contrib/build_sysimg.jl
@@ -13,7 +13,7 @@ function default_sysimg_path(debug=false)
 end
 
 """
-    build_sysimg(sysimg_path=default_sysimg_path, cpu_target="native", userimg_path=nothing; force=false)
+    build_sysimg(sysimg_path=default_sysimg_path(), cpu_target="native", userimg_path=nothing; force=false)
 
 Rebuild the system image. Store it in `sysimg_path`, which defaults to a file named `sys.ji`
 that sits in the same folder as `libjulia.{so,dylib}`, except on Windows where it defaults