diff --git a/syntax_files/sh.yaml b/syntax_files/sh.yaml
index 069433f..5367752 100644
--- a/syntax_files/sh.yaml
+++ b/syntax_files/sh.yaml
@@ -19,6 +19,7 @@ rules:
       # Conditional flags
     - statement: "--[a-z-]+"
     - statement: "\\ -[a-z]+"
+    - symbol.brackets: "(\\[|\\]|\\{|\\}|[()])"
 
     - identifier: "\\$\\{?[0-9A-Z_!@#$*?-]+\\}?"
     - identifier: "\\$\\{?[0-9A-Z_!@#$*?-]+\\}?"