[No Pun Intended]

I know that stringed instruments have this problem, and the Ukulele is relatively new. I'm just scared that the problem is with the bridge or the neck, but is that likely if only one of the strings is giving me a problem?

(It's pretty drastic, goes from G to F# after like 5 minutes of playing]

Is there any other technique I can use to fix this?


2 Answers 2


With geared tuners, you don’t normally need to worry about the peg turning by itself. So the issue is most likely on the bridge end.

With new strings, it is normal for the knot to be slipping. As you continue to turn the tuner and tighten the string, the knot on the bridge end will tighten up, and the string will hold its tuning much longer.

One way to speed up this process is to gently pull on the string. Tune the string, then gently pull the string so the knot slips and goes out of tune, then tune the string again and repeat until pulling the string doesn’t cause the string to go out of tune.

  • Friction pegs are frequently used on the cheapest ("wall hanger quality") instruments, and can be next to useless, but I have also known geared tuners to fail - rare, but possible, and probably obvious when it does happen. With wear or low quality original manufacture, gears can slip. I recently had to replace a geared tuner on a soprano uke. May 15, 2018 at 14:04
  • 1
    @mickeyf There are also high-end ukuleles that use friction pegs, and these can work very well.
    – Ben Miller
    May 15, 2018 at 16:27
  • Mill - I don't disagree. After all, the finest Violin family instruments use friction tuners. However, my observation has been that the dirt cheap ukes invariable use friction tuners because a cheap friction tuner is cheaper to manufacture than a cheap geared tuner. May 15, 2018 at 19:01

It might be an idea to check that the string is wound on at the tuning peg correctly. Or maybe the string isn't long enough to wind enough of it at the peg and so it is flattening when being played?

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