diff --git a/src/hardware.cpp b/src/hardware.cpp
index 31a0dbf..e2bc2e8 100644
--- a/src/hardware.cpp
+++ b/src/hardware.cpp
@@ -83,7 +83,8 @@ void MicroOLED::spiTransfer(byte data)
 **/
 void MicroOLED::i2cSetup()
 {
-
+	// Initialize Wire library (I2C)
+	Wire.begin();
 }
 
 /** \brief  Write a byte over I2C