diff --git a/IO_EXIOExpander.h b/IO_EXIOExpander.h
index 5bff3ec..b3260fa 100644
--- a/IO_EXIOExpander.h
+++ b/IO_EXIOExpander.h
@@ -73,7 +73,7 @@ private:
   void _begin() {
     // Initialise EX-IOExander device
     // uint8_t _check = I2CManager.checkAddress(_i2cAddress);
-    delay(100);
+    I2CManager.begin();
     if (I2CManager.exists(_i2cAddress)) {
       _digitalOutBuffer[0] = EXIOINIT;
       _digitalOutBuffer[1] = _numDigitalPins;