diff --git a/firmware/src/planner.c b/firmware/src/planner.c
index ed7db7f..5c173bc 100644
--- a/firmware/src/planner.c
+++ b/firmware/src/planner.c
@@ -249,8 +249,7 @@ inline void planner_discard_current_block() {
 }
 
 inline void planner_reset_block_buffer() {
-  block_buffer_head = 0;
-  block_buffer_tail = 0;
+  block_buffer_tail = block_buffer_head;
 }