diff --git a/rpc/rpc.go b/rpc/rpc.go
index f239bd1..d39ada6 100644
--- a/rpc/rpc.go
+++ b/rpc/rpc.go
@@ -155,10 +155,10 @@ func (c callContext) call(args ...any) error {
 	}
 
 	frame, _ := runtime.CallersFrames(pc).Next()
-	prf := path.Base(frame.Function)
-	lastdot := strings.LastIndex(prf, ".")
-	rname := prf[:lastdot]
-	funcname := prf[lastdot+1:]
+	fullname := path.Base(frame.Function)
+	prf := strings.Split(fullname, ".")
+	rname := prf[1]
+	funcname := prf[2]
 
 	serialized, err := encode(c.t, rname, funcname, args...)
 	if err != nil {