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-rw-r--r--libavfilter/vsrc_mandelbrot.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vsrc_mandelbrot.c b/libavfilter/vsrc_mandelbrot.c
index 7bcf3b7621..6f9644d198 100644
--- a/libavfilter/vsrc_mandelbrot.c
+++ b/libavfilter/vsrc_mandelbrot.c
@@ -194,7 +194,7 @@ static void draw_mandelbrot(AVFilterContext *ctx, uint32_t *color, int linesize,
zi= 2*zr*zi + ci;
zr= t + cr;
if(use_zyklus){
- if(i && mb->zyklus[i>>1][0]==zr && mb->zyklus[i>>1][1]==zi)
+ if((i&1) && mb->zyklus[i>>1][0]==zr && mb->zyklus[i>>1][1]==zi)
break;
mb->zyklus[i][0]= zr;
mb->zyklus[i][1]= zi;