diff --git a/esphome/components/ld2450/ld2450.cpp b/esphome/components/ld2450/ld2450.cpp
index 6d74a2a607..4b87f1cea4 100644
--- a/esphome/components/ld2450/ld2450.cpp
+++ b/esphome/components/ld2450/ld2450.cpp
@@ -127,8 +127,8 @@ static inline uint16_t convert_seconds_to_ms(uint16_t value) { return value * 10
 static inline void convert_int_values_to_hex(const int *values, uint8_t *bytes) {
   for (int i = 0; i < 4; i++) {
     uint16_t val = values[i] & 0xFFFF;
-    bytes[i * 2] = (val >> 8) & 0xFF;  // Store high byte
-    bytes[i * 2 + 1] = val & 0xFF;     // Store low byte
+    bytes[i * 2] = val & 0xFF;             // Store low byte first (little-endian)
+    bytes[i * 2 + 1] = (val >> 8) & 0xFF;  // Store high byte second
   }
 }