diff --git a/src/avr/src/line.c b/src/avr/src/line.c
index 132c14f..a94d186 100644
--- a/src/avr/src/line.c
+++ b/src/avr/src/line.c
@@ -54,7 +54,7 @@ static struct {
   line_t line;
 
   int section;
-  int seg;
+  uint32_t seg;
 
   float iD; // Initial section distance
   float iV; // Initial section velocity