diff --git a/specs/vm/instruction_set.md b/specs/vm/instruction_set.md
index 2fd9c2d5..0a8e3f88 100644
--- a/specs/vm/instruction_set.md
+++ b/specs/vm/instruction_set.md
@@ -1440,7 +1440,7 @@ Panic if:
 - In an internal context, if `$rD` is greater than the balance of asset ID 0 of output with contract ID `MEM[$fp, 32]`
 - `tx.outputs[$rC].type != OutputType.Message`
 - `tx.outputs[$rC].recipient != 0`
-- `MEM[$rA, 32] != 0`
+- `MEM[$rA, 32] == 0`
 
 Append a receipt to the list of receipts, modifying `tx.receiptsRoot`: