diff --git a/src/utility/ATT.cpp b/src/utility/ATT.cpp
index b1796c90..9367cfbf 100644
--- a/src/utility/ATT.cpp
+++ b/src/utility/ATT.cpp
@@ -993,8 +993,8 @@ void ATTClass::readOrReadBlobReq(uint16_t connectionHandle, uint16_t mtu, uint8_
}
/// if auth error, hold the response in a buffer.
bool holdResponse = false;
-
- uint16_t handle = *(uint16_t*)data;
+ uint16_t handle;
+ memcpy(&handle, data, sizeof(handle));
uint16_t offset = (opcode == ATT_OP_READ_REQ) ? 0 : *(uint16_t*)&data[sizeof(handle)];
if ((uint16_t)(handle - 1) > GATT.attributeCount()) {
@@ -1248,7 +1248,8 @@ void ATTClass::writeReqOrCmd(uint16_t connectionHandle, uint16_t mtu, uint8_t op
return;
}
- uint16_t handle = *(uint16_t*)data;
+ uint16_t handle;
+ memcpy(&handle, data, sizeof(handle));
if ((uint16_t)(handle - 1) > GATT.attributeCount()) {
if (withResponse) {
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