diff --git a/stm32l4a6zg-f0x.at1/Core/Inc/at1_defines.h b/stm32l4a6zg-f0x.at1/Core/Inc/at1_defines.h
index 9c39621..0523196 100644
--- a/stm32l4a6zg-f0x.at1/Core/Inc/at1_defines.h
+++ b/stm32l4a6zg-f0x.at1/Core/Inc/at1_defines.h
@@ -26,7 +26,7 @@ extern "C" {
 #define STR(x) STR_HELPER(x)
 #endif
 #define VERSION_MAJOR 0
-#define VERSION_MINOR 5
+#define VERSION_MINOR 6
 #ifdef DEBUG
 #define VERSION_DEBUG ".D"
 #else
diff --git a/stm32l4a6zg-f0x.at1/Core/Inc/ringbuf.h b/stm32l4a6zg-f0x.at1/Core/Inc/ringbuf.h
index f8d85c8..ac9f881 100644
--- a/stm32l4a6zg-f0x.at1/Core/Inc/ringbuf.h
+++ b/stm32l4a6zg-f0x.at1/Core/Inc/ringbuf.h
@@ -8,6 +8,10 @@
 #ifndef _INC_RINGBUF_H_
 #define _INC_RINGBUF_H_
 
+/* Defines */
+/* <ENTER> given, was \n, should be \r */
+#define RINGBUF_DELIMITER	'\r'
+
 #define RING_STATISTICS_ENABLED 1
 
 #define RINGBUF_MAX_READ_LEN 80
diff --git a/stm32l4a6zg-f0x.at1/Core/Src/ringbuf.c b/stm32l4a6zg-f0x.at1/Core/Src/ringbuf.c
index 808c064..506d93b 100644
--- a/stm32l4a6zg-f0x.at1/Core/Src/ringbuf.c
+++ b/stm32l4a6zg-f0x.at1/Core/Src/ringbuf.c
@@ -135,7 +135,7 @@ int ringbuf_push(struct ringbuf *ring, const uint8_t *data, size_t size) {
 		ring->head += (uint16_t)size;
 	}
 	for (delimiterpos = 0; delimiterpos < size; delimiterpos++) {
-		if (data[delimiterpos] == '\n' || data[delimiterpos] == 0 ) {
+		if (data[delimiterpos] == RINGBUF_DELIMITER || data[delimiterpos] == 0 ) {
 			delimiterfound++;
 			ptr = ring->buf + ((head + delimiterpos) % ring->size);
 			*ptr = 0;