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-rw-r--r--libraries/Wire/Wire.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/libraries/Wire/Wire.cpp b/libraries/Wire/Wire.cpp
index 2bd48ed..7944fcb 100644
--- a/libraries/Wire/Wire.cpp
+++ b/libraries/Wire/Wire.cpp
@@ -169,7 +169,7 @@ void TwoWire::beginTransmission(int address)
uint8_t TwoWire::endTransmission(uint8_t sendStop)
{
// transmit buffer (blocking)
- int8_t ret = twi_writeTo(txAddress, txBuffer, txBufferLength, 1, sendStop);
+ uint8_t ret = twi_writeTo(txAddress, txBuffer, txBufferLength, 1, sendStop);
// reset tx buffer iterator vars
txBufferIndex = 0;
txBufferLength = 0;