diff --git a/data/filetypes.tcl b/data/filetypes.tcl
index 9a5602a1..74ce271d 100644
--- a/data/filetypes.tcl
+++ b/data/filetypes.tcl
@@ -9,6 +9,7 @@ blockcomment=comment
 number=number_1
 operator=operator
 identifier=identifier_1
+subbrace=identifier_2
 wordinquote=string_1
 inquote=string_1
 substitution=function
diff --git a/src/highlightingmappings.h b/src/highlightingmappings.h
index 711dd1f9..ae448c91 100644
--- a/src/highlightingmappings.h
+++ b/src/highlightingmappings.h
@@ -1268,7 +1268,8 @@ static const HLStyle highlighting_styles_TCL[] =
 	{ SCE_TCL_WORD4,			"wordtkcmds",		FALSE },
 	{ SCE_TCL_WORD5,			"wordexpand",		FALSE },
 	{ SCE_TCL_COMMENT_BOX,		"commentbox",		FALSE },
-	{ SCE_TCL_BLOCK_COMMENT,	"blockcomment",		FALSE }
+	{ SCE_TCL_BLOCK_COMMENT,	"blockcomment",		FALSE },
+	{ SCE_TCL_SUB_BRACE,		"subbrace",			FALSE }
 	/* these are for user-defined keywords we don't set yet */
 	/*{ SCE_TCL_WORD6,			"user2",			FALSE },
 	{ SCE_TCL_WORD7,			"user3",			FALSE },