diff --git a/EIPS/eip-197.md b/EIPS/eip-197.md
index d8ea5f1d..93f80c37 100644
--- a/EIPS/eip-197.md
+++ b/EIPS/eip-197.md
@@ -1,6 +1,6 @@
 ## Preamble
 
-    EIP: 212
+    EIP: 197
     Title: Precompiled contracts for optimal ate pairing check
            on the elliptic curve alt_bn128
     Author: Vitalik Buterin <vitalik@ethereum.org>, Christian Reitwiessner <chris@ethereum.org>