diff --git a/src/MCP23017.cpp b/src/MCP23017.cpp
index 05fb374..57d2392 100644
--- a/src/MCP23017.cpp
+++ b/src/MCP23017.cpp
@@ -1,6 +1,6 @@
 #include "MCP23017.h"
 
-MCP23017::MCP23017(uint8_t address, TwoWire& bus = Wire) {
+MCP23017::MCP23017(uint8_t address, TwoWire& bus) {
 	_deviceAddr = address;
 	_bus = &bus;
 }
@@ -194,4 +194,4 @@ void MCP23017::clearInterrupts(uint8_t& portA, uint8_t& portB)
 	readRegister(MCP23017_REGISTER::INTCAPA, portA, portB);
 }
 
-#endif
\ No newline at end of file
+#endif