diff --git a/src/lv_misc/lv_math.c b/src/lv_misc/lv_math.c
index 1b338ebd4..c0ea6ec78 100644
--- a/src/lv_misc/lv_math.c
+++ b/src/lv_misc/lv_math.c
@@ -239,7 +239,7 @@ 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, int16_t min_in, int16_t max_in, int16_t min, int16_t max)
+LV_ATTRIBUTE_FAST_MEM int16_t _lv_map(int16_t x, float min_in, float max_in, float min, float max)
 {
     int16_t slope = (max - min) / (max_in - min_in);
     int16_t bias = min - slope * min_in;