diff --git a/tests/libpldm_platform_test.cpp b/tests/libpldm_platform_test.cpp
index 2c2eae6..c493e3e 100644
--- a/tests/libpldm_platform_test.cpp
+++ b/tests/libpldm_platform_test.cpp
@@ -1565,14 +1565,11 @@
     sensorData->event_state = eventState;
     sensorData->previous_event_state = previousEventState;
     sensorData->sensor_data_size = sensorDataSize;
-    sensorData->present_reading[3] =
-        static_cast<uint8_t>(htole32(presentReading) & (0x000000ff));
-    sensorData->present_reading[2] =
-        static_cast<uint8_t>((htole32(presentReading) & (0x0000ff00)) >> 8);
-    sensorData->present_reading[1] =
-        static_cast<uint8_t>((htole32(presentReading) & (0x00ff0000)) >> 16);
-    sensorData->present_reading[0] =
-        static_cast<uint8_t>((htole32(presentReading) & (0xff000000)) >> 24);
+    {
+        uint32_t presentReadingLE = htole32(presentReading);
+        memcpy(&sensorData->present_reading, &presentReadingLE,
+               sizeof(presentReadingLE));
+    }
 
     uint8_t retEventState;
     uint8_t retPreviousEventState;
@@ -1590,10 +1587,11 @@
     EXPECT_EQ(retPresentReading, presentReading);
 
     int16_t presentReadingNew = -31432;
-    sensorData->present_reading[1] =
-        static_cast<uint8_t>(htole16(presentReadingNew) & (0x000000ff));
-    sensorData->present_reading[0] =
-        static_cast<uint8_t>((htole16(presentReadingNew) & (0x0000ff00)) >> 8);
+    {
+        int16_t presentReadingNewLE = htole16(presentReadingNew);
+        memcpy(&sensorData->present_reading, &presentReadingNewLE,
+               sizeof(presentReadingNewLE));
+    }
     sensorDataSize = PLDM_SENSOR_DATA_SIZE_SINT16;
     sensorData->sensor_data_size = sensorDataSize;
     sensorDataLength = PLDM_SENSOR_EVENT_NUMERIC_SENSOR_STATE_16BIT_DATA_LENGTH;