diff --git a/src/preprocess/preprocess.go b/src/preprocess/preprocess.go
index 2f0099f670..c0c6ddb20e 100644
--- a/src/preprocess/preprocess.go
+++ b/src/preprocess/preprocess.go
@@ -793,7 +793,7 @@ func removeRTL(input string) string {
 		},
 		{
 			Name:  "Remove [dir=rtl] blocks",
-			Regex: `\[dir=rtl\].+?\{.+?\}`,
+			Regex: `\[dir=rtl\][^)]+?\{.+?\}`,
 			Replacement: func(submatches ...string) string {
 				return ""
 			},