diff --git a/src/uas/UAS.h b/src/uas/UAS.h
index 95570049a10f8ce94339c6106521d58834c2d161..74d15c017b68a07072627265eeca2a419f8512e0 100644
--- a/src/uas/UAS.h
+++ b/src/uas/UAS.h
@@ -56,8 +56,8 @@ public:
     UAS(MAVLinkProtocol* protocol, int id = 0);
     ~UAS();
 
-    static const int lipoFull = 4.2f;  ///< 100% charged voltage
-    static const int lipoEmpty = 3.5f; ///< Discharged voltage
+    static const float lipoFull = 4.2f;  ///< 100% charged voltage
+    static const float lipoEmpty = 3.5f; ///< Discharged voltage
 
     /* MANAGEMENT */