diff --git a/linkchecker b/linkchecker
index a00dbc06..95ecdca9 100755
--- a/linkchecker
+++ b/linkchecker
@@ -440,7 +440,7 @@ if options.debug and not __debug__:
 # apply commandline options and arguments to configuration
 constructauth = False
 do_profile = False
-if options.warnings:
+if not options.warnings:
     config["warnings"] = options.warnings
 if options.externstrict:
     pats = [linkcheck.get_link_pat(arg, strict=True) \