diff --git a/models/issues/issue.go b/models/issues/issue.go
index 34ece540eb..f7379b7e0c 100644
--- a/models/issues/issue.go
+++ b/models/issues/issue.go
@@ -153,8 +153,8 @@ type Issue struct {
 }
 
 var (
-	issueTasksPat     = regexp.MustCompile(`(^\s*[-*]\s*\[[\sxX]\])|(\n\s*[-*]\s*\[[\sxX]\])`)
-	issueTasksDonePat = regexp.MustCompile(`(^\s*[-*]\s*\[[xX]\])|(\n\s*[-*]\s*\[[xX]\])`)
+	issueTasksPat     = regexp.MustCompile(`(^|\n)\s*[-*]\s*\[[\sxX]\]`)
+	issueTasksDonePat = regexp.MustCompile(`(^|\n)\s*[-*]\s*\[[xX]\]`)
 )
 
 // IssueIndex represents the issue index table