diff --git a/circuits/circom/verify_nullifier.circom b/circuits/circom/verify_nullifier.circom
index 1994efc..ed43d0d 100644
--- a/circuits/circom/verify_nullifier.circom
+++ b/circuits/circom/verify_nullifier.circom
@@ -182,7 +182,7 @@ template check_ec_equations(n, k, message_length) {
 
     component r_point_comp = a_div_b_pow_c(n, k);
     r_point_comp.a <== s_point.pubkey;
-    r_point_comp.b <== pk;
+    r_point_comp.b <== pk_compressed;
     r_point_comp.c <== c;
 
     // Calculate hash[m, pk]^r