diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index 22c2c33673..c03fe5528f 100644
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -711,8 +711,10 @@ int swr_is_initialized(struct SwrContext *s) {
     return !!s->in_buffer.ch_count;
 }
 
-int attribute_align_arg swr_convert(struct SwrContext *s, uint8_t *out_arg[SWR_CH_MAX], int out_count,
-                                                    const uint8_t *in_arg [SWR_CH_MAX], int  in_count){
+int attribute_align_arg swr_convert(struct SwrContext *s,
+                                          uint8_t **out_arg, int out_count,
+                                    const uint8_t **in_arg,  int in_count)
+{
     AudioData * in= &s->in;
     AudioData *out= &s->out;
     int av_unused max_output;