diff --git a/linkcheck/logger/sql.py b/linkcheck/logger/sql.py
index 413ccd8c..e99f532c 100644
--- a/linkcheck/logger/sql.py
+++ b/linkcheck/logger/sql.py
@@ -49,7 +49,7 @@ class SQLLogger (linkcheck.logger.Logger):
     def comment (self, s, **args):
         """Print SQL comment."""
         self.write(u"-- ")
-        self.write(s, **args)
+        self.writeln(s=s, **args)
 
     def start_output (self):
         """print start of checking info as sql comment"""
diff --git a/linkcheck/logger/xmllog.py b/linkcheck/logger/xmllog.py
index 97acbc1b..3f313778 100644
--- a/linkcheck/logger/xmllog.py
+++ b/linkcheck/logger/xmllog.py
@@ -67,7 +67,7 @@ class XMLLogger (linkcheck.logger.Logger):
         """Print HTML comment."""
         self.write(u"<!-- ")
         self.write(s, **args)
-        self.write(u" -->")
+        self.writeln(u" -->")
 
     def start_output (self):
         """print start of checking info as xml comment"""