diff --git a/app/include/ucg_config.h b/app/include/ucg_config.h
index 91b580f5..2620a50b 100644
--- a/app/include/ucg_config.h
+++ b/app/include/ucg_config.h
@@ -39,6 +39,7 @@
 #define UCG_DISPLAY_TABLE_ENTRY(binding, device, extension)
 #define UCG_DISPLAY_TABLE \
     UCG_DISPLAY_TABLE_ENTRY(ili9341_18x240x320_hw_spi, ucg_dev_ili9341_18x240x320, ucg_ext_ili9341_18) \
+    UCG_DISPLAY_TABLE_ENTRY(st7735_18x128x160_hw_spi, ucg_dev_st7735_18x128x160, ucg_ext_st7735_18) \
 
 #undef UCG_DISPLAY_TABLE_ENTRY
 //
diff --git a/lua_examples/ucglib/GraphicsTest.lua b/lua_examples/ucglib/GraphicsTest.lua
index ebb9795b..f3c94a28 100644
--- a/lua_examples/ucglib/GraphicsTest.lua
+++ b/lua_examples/ucglib/GraphicsTest.lua
@@ -9,7 +9,11 @@ function init_spi_display()
     local res = 0 -- GPIO16
 
     spi.setup(1, spi.MASTER, spi.CPOL_LOW, spi.CPHA_LOW, spi.DATABITS_8, 0)
-    disp = ucg.ili9341_18x240x320_hw_spi(cs, dc, res)
+
+    -- initialize the matching driver for your display
+    -- see app/include/ucg_config.h
+    --disp = ucg.ili9341_18x240x320_hw_spi(cs, dc, res)
+    disp = ucg.st7735_18x128x160_hw_spi(cs, dc, res)
 end