diff --git a/app/src/main/java/eu/ztsh/garmin/data/GarminMapper.kt b/app/src/main/java/eu/ztsh/garmin/data/GarminMapper.kt
index 11757f5..7367a25 100644
--- a/app/src/main/java/eu/ztsh/garmin/data/GarminMapper.kt
+++ b/app/src/main/java/eu/ztsh/garmin/data/GarminMapper.kt
@@ -81,14 +81,14 @@ class GarminMapper {
         }
 
         private fun setDistance(distance: Double, unit: Unit = Unit.Any): IntArray {
-            val isDecimal = (distance * 10).toInt() == (distance.toInt() * 10)
+            val isDecimal = (distance * 10).toInt() != (distance.toInt() * 10)
             val distanceValue = if (isDecimal) distance * 10 else distance
             return intArrayOf(
                 0x03,
                 asDigit(distanceValue / 1000), // position 1
                 asDigit(distanceValue / 100), // position 2
                 asDigit(distanceValue / 10), // position 3
-                if (isDecimal) 0x00 else 0xff, // comma
+                if (isDecimal) 0xff else 0x00, // comma
                 asDigit(distanceValue), // position 4
                 unit.value // unit
             )