Compile error, multiple default-values specified

[trycoon]

Compiling .pio/build/nodemcuv2/libf5a/MCP23017_ID6001/MCP23017.cpp.o
.pio/libdeps/nodemcuv2/MCP23017_ID6001/src/MCP23017.cpp:3:56: error: default argument given for parameter 2 of 'MCP23017::MCP23017(uint8_t, TwoWire&)' [-fpermissive]
MCP23017::MCP23017(uint8_t address, TwoWire& bus = Wire) {
^
In file included from .pio/libdeps/nodemcuv2/MCP23017_ID6001/src/MCP23017.cpp:1:0:
.pio/libdeps/nodemcuv2/MCP23017_ID6001/src/MCP23017.h:67:2: note: previous specification in 'MCP23017::MCP23017(uint8_t, TwoWire&)' here
MCP23017(uint8_t address, TwoWire& bus = Wire);

Default parameter has been specified both here https://github.com/blemasle/arduino-mcp23017/blob/master/src/MCP23017.cpp#L3 and here https://github.com/blemasle/arduino-mcp23017/blob/master/src/MCP23017.h#L67
It should only be set in header-file!