1 files changed, 1 insertions, 1 deletions

diff --git a/apps/codecs/libgme/nes_vrc6_apu.c b/apps/codecs/libgme/nes_vrc6_apu.c
index f712216424..55fccb7b0f 100644
--- a/apps/codecs/libgme/nes_vrc6_apu.c
+++ b/apps/codecs/libgme/nes_vrc6_apu.c
@@ -83,7 +83,6 @@ void run_square( struct Nes_Vrc6_Apu* this, struct Vrc6_Osc* osc, blip_time_t en
         struct Blip_Buffer* output = osc->output;
         if ( !output )
                 return;
-        Blip_set_modified( output );
         
         int volume = osc->regs [0] & 15;
         if ( !(osc->regs [2] & 0x80) )
@@ -96,6 +95,7 @@ void run_square( struct Nes_Vrc6_Apu* this, struct Vrc6_Osc* osc, blip_time_t en
         if ( delta )
         {
                 osc->last_amp += delta;
+                Blip_set_modified( output );
                 Synth_offset( &this->square_synth, time, delta, output );
         }