diff --git a/src/beep.c b/src/beep.c
index 05f57a0..a4e102c 100644
--- a/src/beep.c
+++ b/src/beep.c
@@ -192,6 +192,7 @@ int beep(double freq_hz, double duration_sec)
  
  
     p1 = p2 = f1 = f2 = 0.02;//SAMPLE_RATE/freq_hz;//0.02;
+i=0;
     for (i = 0; i < up_count; ) {
    for (j = 0; j < FRAMES*2 ; j+=2)
    //for (j = 0; j < up_count*2; j+=2)