diff --git a/alsaloop/pcmjob.c b/alsaloop/pcmjob.c
index 01e0199..4efdd63 100644
--- a/alsaloop/pcmjob.c
+++ b/alsaloop/pcmjob.c
@@ -556,13 +556,13 @@ static void buf_add_src(struct loopback *loop)
 		if (capt->format == SND_PCM_FORMAT_S32)
 			src_int_to_float_array((int *)(capt->buf +
 						pos1 * capt->frame_size),
-					 (void *)loop->src_data.data_in +
+					 (float *)loop->src_data.data_in +
 					   pos * capt->channels,
 					 count1 * capt->channels);
 		else
 			src_short_to_float_array((short *)(capt->buf +
 						pos1 * capt->frame_size),
-					 (void *)loop->src_data.data_in +
+					 (float *)loop->src_data.data_in +
 					   pos * capt->channels,
 					 count1 * capt->channels);
 		count -= count1;