diff --git a/k/utils/ring_buffer.c b/k/utils/ring_buffer.c
index 7120ac3..fca3e90 100644
--- a/k/utils/ring_buffer.c
+++ b/k/utils/ring_buffer.c
@@ -2,7 +2,7 @@
 
 uint8_t read_entry(struct ring_buffer *buf)
 {
-    if (buf->read >= buf->write)
+    if (buf->read == buf->write)
         return 0;
 
     uint8_t data = buf->buffer[buf->read];