diff --git a/g16ckt/src/gadgets/bn254/fq12.rs b/g16ckt/src/gadgets/bn254/fq12.rs
index f1bbf4c..4dc7614 100644
--- a/g16ckt/src/gadgets/bn254/fq12.rs
+++ b/g16ckt/src/gadgets/bn254/fq12.rs
@@ -68,7 +68,7 @@ impl Fq12 {
     }
 
     pub fn is_empty(&self) -> bool {
-        self.0.is_empty()
+        self.len() == 0
     }
 
     pub fn new_constant(v: ark_bn254::Fq12) -> Fq12 {
diff --git a/g16ckt/src/gadgets/bn254/fq2.rs b/g16ckt/src/gadgets/bn254/fq2.rs
index d1f6100..b25ae65 100644
--- a/g16ckt/src/gadgets/bn254/fq2.rs
+++ b/g16ckt/src/gadgets/bn254/fq2.rs
@@ -84,7 +84,7 @@ impl Fq2 {
     }
 
     pub fn is_empty(&self) -> bool {
-        self.0.is_empty()
+        self.len() == 0
     }
 
     pub fn iter(&self) -> impl Iterator<Item = &WireId> {
diff --git a/g16ckt/src/gadgets/bn254/fq6.rs b/g16ckt/src/gadgets/bn254/fq6.rs
index e4d982e..db0e8e6 100644
--- a/g16ckt/src/gadgets/bn254/fq6.rs
+++ b/g16ckt/src/gadgets/bn254/fq6.rs
@@ -519,7 +519,7 @@ impl Fq6 {
     }
 
     pub fn is_empty(&self) -> bool {
-        self.0.is_empty()
+        self.len() == 0
     }
 }