diff --git a/members/oxide/src/vga/vt.rs b/members/oxide/src/vga/vt.rs
index 252a964..6fd7648 100644
--- a/members/oxide/src/vga/vt.rs
+++ b/members/oxide/src/vga/vt.rs
@@ -20,7 +20,7 @@ where
 
     pub fn carry(&mut self) {
         self.pos.0 = 0;
-        if self.pos.1 >= M::HEIGHT {
+        if self.pos.1 + 1 >= M::HEIGHT {
             self.slide();
         } else {
             self.pos.1 += 1;
@@ -28,7 +28,7 @@ where
     }
 
     pub fn next_cell(&mut self) {
-        if self.pos.0 >= M::WIDTH {
+        if self.pos.0 + 1 >= M::WIDTH {
             self.carry();
         } else {
             self.pos.0 += 1;