diff --git a/Adafruit_TSL2561_U.h b/Adafruit_TSL2561_U.h
index 48990e4..dd97473 100644
--- a/Adafruit_TSL2561_U.h
+++ b/Adafruit_TSL2561_U.h
@@ -42,7 +42,14 @@
  #include <WProgram.h>
 #endif
 #include <Adafruit_Sensor.h>
-#include <Wire.h>
+
+#ifdef __AVR_ATtiny85__
+  #include "TinyWireM.h"
+  #define Wire TinyWireM
+#else
+  #include <Wire.h>
+#endif
+
 
 #define TSL2561_VISIBLE 2                   // channel 0 - channel 1
 #define TSL2561_INFRARED 1                  // channel 1