diff --git a/Sources/Yams/Constructor.swift b/Sources/Yams/Constructor.swift
index 489b9f4..29aa3c5 100644
--- a/Sources/Yams/Constructor.swift
+++ b/Sources/Yams/Constructor.swift
@@ -256,7 +256,7 @@ extension ScalarConstructible where Self: FloatingPoint & SexagesimalConvertible
         case ".inf", ".Inf", ".INF", "+.inf", "+.Inf", "+.INF":
             return .infinity
         case "-.inf", "-.Inf", "-.INF":
-            return -Self.infinity
+            return -.infinity
         case ".nan", ".NaN", ".NAN":
             return .nan
         default: