diff --git a/lib/coderay/scanners/sql.rb b/lib/coderay/scanners/sql.rb
index c25f6d25..7d57f773 100644
--- a/lib/coderay/scanners/sql.rb
+++ b/lib/coderay/scanners/sql.rb
@@ -96,7 +96,7 @@ def scan_tokens encoder, options
             state = :string
             encoder.text_token match, :delimiter
             
-          elsif match = scan(/ @? [A-Za-z_][A-Za-z_0-9]* /x)
+          elsif match = scan(/ @? [A-Za-z_][A-Za-z_0-9\$]* /x)
             encoder.text_token match, name_expected ? :ident : (match[0] == ?@ ? :variable : IDENT_KIND[match])
             name_expected = false