diff --git a/src/lv_misc/lv_math.c b/src/lv_misc/lv_math.c
index 7c467b5f1..9e8a91b80 100644
--- a/src/lv_misc/lv_math.c
+++ b/src/lv_misc/lv_math.c
@@ -239,12 +239,12 @@ int64_t _lv_pow(int64_t base, int8_t exp)
  * @param in min output range
  * @param out max output range
  */
-LV_ATTRIBUTE_FAST_MEM int16_t _lv_map(int16_t x, float min_in, float max_in, float min, float max)
+LV_ATTRIBUTE_FAST_MEM int16_t _lv_map(int16_t x, int16_t min_in, int16_t max_in, int16_t min, int16_t max)
 {
-    float slope = (max - min) / (max_in - min_in);
-    float bias = min - slope * min_in;
+    uint32_t slope = ((uint32_t)(max - min) * 1000) / (uint32_t)(max_in - min_in); /** times 1000 to avoid rounding errors*/
+    uint32_t bias = min - (slope * min_in) / 1000;
     
-    return bias + slope * x;
+    return bias + (slope * x) / 1000;
 }
 
 /**********************