diff --git a/specs/bls_signature.md b/specs/bls_signature.md
index 8e0b76c6b..9dd5cac8b 100644
--- a/specs/bls_signature.md
+++ b/specs/bls_signature.md
@@ -119,7 +119,7 @@ In the following `e` is the pairing function and `g` is the G1 generator with th
 ```python
 g_x = 3685416753713387016781088315183077757961620795782546409894578378688607592378376318836054947676345821548104185464507
 g_y = 1339506544944476473020471379941921221584933875938349620426543736416511423956333506472724655353366534992391756441569
-g = Fq2(g_x, g_y)
+g = Fq2([g_x, g_y])
 ```
 
 ### `bls_verify`