diff --git a/src/GPS/definitions.h b/src/GPS/definitions.h
index 06d2e7548e052b16d140587ddf58df57c389a603..92675742c78c2fefe208d96ebd74a5acbf2bf05f 100644
--- a/src/GPS/definitions.h
+++ b/src/GPS/definitions.h
@@ -50,8 +50,8 @@
 #include "vehicle_gps_position.h"
 #include "satellite_info.h"
 
-#define M_DEG_TO_RAD 		M_PI / 180.0
-#define M_RAD_TO_DEG 		180.0 / M_PI
+#define M_DEG_TO_RAD 		(M_PI / 180.0)
+#define M_RAD_TO_DEG 		(180.0 / M_PI)
 #define M_DEG_TO_RAD_F 		0.01745329251994f
 #define M_RAD_TO_DEG_F 		57.2957795130823f