diff --git a/src/common/garmin.h b/src/common/garmin.h
index a68c99d0..380a4fe6 100644
--- a/src/common/garmin.h
+++ b/src/common/garmin.h
@@ -10,9 +10,7 @@ inline double toWGS32(qint32 v)
 
 inline double toWGS24(qint32 v)
 {
-	return (v < 0x800000)
-	  ? (double)v * 360.0 / (double)(1U<<24)
-	  : (double)(v - 0x1000000) * 360.0 / (double)(1<<24);
+	return toWGS32(v<<8);
 }
 
 #endif // GARMIN_H