diff --git a/lib/help.js b/lib/help.js
index b9ff1c95760c6..589819eb02a45 100644
--- a/lib/help.js
+++ b/lib/help.js
@@ -9,7 +9,7 @@ const BaseCommand = require('./base-command.js')
 // Strips out the number from foo.7 or foo.7. or foo.7.tgz
 // We don't currently compress our man pages but if we ever did this would
 // seemlessly continue supporting it
-const manNumberRegex = /\.(\d+)(\..*)?$/
+const manNumberRegex = /\.(\d+)(\.[^/\\]*)?$/
 
 class Help extends BaseCommand {
   /* istanbul ignore next - see test/lib/load-all-commands.js */