`\tutti` ending with a flame looks misaligned

[kastdeur]

Snippet from a score:

[kastdeur]

Can be reproduced by the following script. Leaving off the third bar, the alignment looks proper.

\new PipeBandDrumStaff {
    \drummode {
      d4 g4 d4 \flam g4 |
      \tutti {
        \flam d4 g4 d4 \flam g4
      }
      |
      d4 g4 d4 \flam g4 |
    }
}