diff --git a/cp6_782/src/curves/g1.rs b/cp6_782/src/curves/g1.rs
index beffd1c..4b83f3e 100644
--- a/cp6_782/src/curves/g1.rs
+++ b/cp6_782/src/curves/g1.rs
@@ -41,7 +41,7 @@ impl<'a> From<&'a G1Projective> for G1Prepared {
 
 impl G1Prepared {
     pub fn is_zero(&self) -> bool {
-        self.0.is_identity()
+        self.0.is_zero()
     }
 }
 
diff --git a/cp6_782/src/curves/g2.rs b/cp6_782/src/curves/g2.rs
index 7796db0..b427f8d 100644
--- a/cp6_782/src/curves/g2.rs
+++ b/cp6_782/src/curves/g2.rs
@@ -41,7 +41,7 @@ impl<'a> From<&'a G2Projective> for G2Prepared {
 
 impl G2Prepared {
     pub fn is_zero(&self) -> bool {
-        self.0.is_identity()
+        self.0.is_zero()
     }
 }