diff --git a/src/iio/iio.c b/src/iio/iio.c
index 80184cc..2514c8c 100644
--- a/src/iio/iio.c
+++ b/src/iio/iio.c
@@ -175,7 +175,14 @@ mraa_iio_get_channel_data(mraa_iio_context dev)
     // channel location has to be done in channel index order so do it afetr we
     // have grabbed all the correct info
     for (i = 0; i < dev->chan_num; i++) {
-	chan = &dev->channels[i];
+        chan = &dev->channels[i];
+
+        if(chan->bytes <= 0)
+        {
+            syslog(LOG_ERR, "iio: Channel %d with channel bytes value <= 0");
+            return MRAA_IO_SETUP_FAILURE;
+        }
+
         if (curr_bytes % chan->bytes == 0) {
             chan->location = curr_bytes;
         } else {