diff --git a/pairing/src/bn256/fr.rs b/pairing/src/bn256/fr.rs
index 7f4d1033..2ba503a1 100644
--- a/pairing/src/bn256/fr.rs
+++ b/pairing/src/bn256/fr.rs
@@ -2,7 +2,7 @@ use ff::{Field, PrimeField, PrimeFieldRepr};
 
 #[derive(PrimeField)]
 #[PrimeFieldModulus = "21888242871839275222246405745257275088548364400416034343698204186575808495617"]
-#[PrimeFieldGenerator = "7"]
+#[PrimeFieldGenerator = "5"]
 pub struct Fr(FrRepr);
 
 #[test]