1 files changed, 1 insertions, 1 deletions

diff --git a/apps/plugins/midi/synth.h b/apps/plugins/midi/synth.h
index 4cc6a545f0..b44da21fd2 100644
--- a/apps/plugins/midi/synth.h
+++ b/apps/plugins/midi/synth.h
@@ -20,7 +20,7 @@
  ****************************************************************************/
 int initSynth(struct MIDIfile * mf, char * filename, char * drumConfig);
 void setPoint(struct SynthObject * so, int pt);
-void synthSamples(int32_t *buf_ptr, unsigned int num_samples);
+size_t synthSamples(int32_t *buf_ptr, size_t num_samples);
 
 void resetControllers(void);