diff --git a/definitions.asm b/definitions.asm
index 9964109..2454863 100644
--- a/definitions.asm
+++ b/definitions.asm
@@ -38,7 +38,7 @@
     not             => 0b01 @ 0b000 @ 0b110
     ALU_EXT0_RES7   => 0b01 @ 0b000 @ 0b111
     ashr            => 0b01 @ 0b001 @ 0b000
-    ALU_EXT1_RES1   => 0b01 @ 0b001 @ 0b001
+    div             => 0b01 @ 0b001 @ 0b001
     mul             => 0b01 @ 0b001 @ 0b010
     sub             => 0b01 @ 0b001 @ 0b011
     add             => 0b01 @ 0b001 @ 0b100