diff --git a/bw6_761/src/fields/fq3.rs b/bw6_761/src/fields/fq3.rs
index e7d2f14..35c4bfc 100644
--- a/bw6_761/src/fields/fq3.rs
+++ b/bw6_761/src/fields/fq3.rs
@@ -83,6 +83,6 @@ impl Fp3Config for Fq3Config {
 
     #[inline(always)]
     fn mul_fp_by_nonresidue_in_place(fe: &mut Self::Fp) -> &mut Self::Fp {
-        fe.double_in_place().double_in_place()
+        fe.double_in_place().double_in_place().neg_in_place()
     }
 }