diff --git a/misc/factor.vim.fgen b/misc/factor.vim.fgen
index 195f251ca6..ddf3f07fd3 100644
--- a/misc/factor.vim.fgen
+++ b/misc/factor.vim.fgen
@@ -252,6 +252,7 @@ if version >= 508 || !exists("did_factor_syn_inits")
     HiLink factorLiteralBlock           Special
     HiLink factorDeclaration            Typedef
     HiLink factorSymbol                 Define
+    HiLink factorSymbols                Define
     HiLink factorConstant               Define
     HiLink factorAlias                  Define
     HiLink factorSingleton              Define
diff --git a/misc/vim/syntax/factor.vim b/misc/vim/syntax/factor.vim
index 9f7a0cc4af..4865d96e46 100644
--- a/misc/vim/syntax/factor.vim
+++ b/misc/vim/syntax/factor.vim
@@ -239,6 +239,7 @@ if version >= 508 || !exists("did_factor_syn_inits")
     HiLink factorLiteralBlock           Special
     HiLink factorDeclaration            Typedef
     HiLink factorSymbol                 Define
+    HiLink factorSymbols                Define
     HiLink factorConstant               Define
     HiLink factorAlias                  Define
     HiLink factorSingleton              Define