diff --git a/TFT_Drivers/ILI9486_Init.h b/TFT_Drivers/ILI9486_Init.h
index 1727ac8..e96c4e4 100644
--- a/TFT_Drivers/ILI9486_Init.h
+++ b/TFT_Drivers/ILI9486_Init.h
@@ -15,7 +15,11 @@
     delay(120);
 
     writecommand(0x3A);
-    writedata(0x55);           // 16 bit colour interface
+    #if defined (TFT_PARALLEL_8_BIT) || defined (TFT_PARALLEL_16_BIT) || defined (RPI_DISPLAY_TYPE)
+      writedata(0x55);           // 16 bit colour interface
+    #else
+      writedata(0x66);           // 18 bit colour interface
+    #endif
 
     writecommand(0xC0); //                          1100.0000 Power Control 1
     writedata(0x0E);    //                          0001.0111   ... VRH1