diff --git a/lisp/org.el b/lisp/org.el
index 52e1c4806..99e1865ba 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -4071,7 +4071,7 @@ This should be called after the variable `org-link-types' has changed."
 	org-plain-link-re
 	(concat
 	 "\\<\\(" (mapconcat 'identity org-link-types "\\|") "\\):"
-	 "\\([^]\t\n\r<> ]+[^]\t\n\r<>,.; ]\\)")
+	 "\\([^]\t\n\r<>() ]+[^]\t\n\r<>,.;() ]\\)")
 	org-bracket-link-regexp
 	"\\[\\[\\([^][]+\\)\\]\\(\\[\\([^][]+\\)\\]\\)?\\]"
 	org-bracket-link-analytic-regexp