diff --git a/main.go b/main.go
index 95c5a4e..e347866 100644
--- a/main.go
+++ b/main.go
@@ -150,6 +150,12 @@ func getPF(n string) PF {
 	if v, ok := M[n]; ok {
 		return v
 	}
+	ns := strings.Index(n, "/")
+	if ns > -1 {
+		if v, ok := M[n[:ns]]; ok {
+			return v
+		}
+	}
 	return PF{"60", "120"}
 }