diff --git a/contrib/vim/syntax/modulefile.vim b/contrib/vim/syntax/modulefile.vim
index 4fe05131..a5e5f1c1 100644
--- a/contrib/vim/syntax/modulefile.vim
+++ b/contrib/vim/syntax/modulefile.vim
@@ -33,6 +33,7 @@ syn match modCommand "\v<module-(alias|info|log|trace|user|verbosity|version|vir
 syn match modCommand "\v<(un)?set-(alias|function)>"
 syn match modCommand "\v<(un)?setenv>"
 syn match modCommand "\v<getenv>"
+syn match modCommand "\v<source-sh>"
 syn match modCommand "\v<(system|uname|x-resource)>"
 
 syn match modCommand "\v<is-(loaded|saved|used|avail)>"