diff --git a/_pydemo/callpy/callpy.go b/_pydemo/callpy/callpy.go
index 8900a9bb..21ec21ab 100644
--- a/_pydemo/callpy/callpy.go
+++ b/_pydemo/callpy/callpy.go
@@ -8,5 +8,5 @@ import (
 
 func main() {
 	x := math.Sqrt(py.Float(2))
-	c.Printf(c.Str("sqrt(2) = %f\n"), x.FloatAsDouble())
+	c.Printf(c.Str("sqrt(2) = %f\n"), x.Float64())
 }
diff --git a/py/_demo/callpy/call.go b/py/_demo/callpy/call.go
index 58904c9c..0198b8c4 100644
--- a/py/_demo/callpy/call.go
+++ b/py/_demo/callpy/call.go
@@ -11,7 +11,7 @@ func main() {
 	math := py.ImportModule(c.Str("math"))
 	sqrt := math.GetAttrString(c.Str("sqrt"))
 	sqrt2 := sqrt.CallOneArg(py.Float(2))
-	c.Printf(c.Str("sqrt(2) = %f\n"), sqrt2.FloatAsDouble())
+	c.Printf(c.Str("sqrt(2) = %f\n"), sqrt2.Float64())
 	sqrt2.DecRef()
 	sqrt.DecRef()
 	math.DecRef()
diff --git a/py/float.go b/py/float.go
index a4916225..1fbb7716 100644
--- a/py/float.go
+++ b/py/float.go
@@ -28,5 +28,5 @@ func Float(v float64) *Object
 //go:linkname FloatFromSring C.PyFloat_FromString
 func FloatFromSring(v *Object) *Object
 
-// llgo:link (*Object).FloatAsDouble C.PyFloat_AsDouble
-func (o *Object) FloatAsDouble() float64 { panic("unreachable") }
+// llgo:link (*Object).Float64 C.PyFloat_AsDouble
+func (o *Object) Float64() float64 { panic("unreachable") }