diff --git a/flash.c b/flash.c
--- a/flash.c
+++ b/flash.c
@@ -16,12 +16,12 @@ static void __flash_write(therm_settings
 void flash_save(therm_settings_t* tosave)
 {
     ssd1306_clearscreen();
-    ssd1306_DrawString("Erase...", 0, 0);
+    ssd1306_drawstring("Erase...", 0, 0);
     HAL_Delay(100);
-    ssd1306_DrawString("Save...", 1, 0);
+    ssd1306_drawstring("Save...", 1, 0);
     __flash_write(tosave);
     HAL_Delay(100);
-    ssd1306_DrawString("Done!", 2, 0);
+    ssd1306_drawstring("Done!", 2, 0);
     HAL_Delay(500);
 }
 
@@ -29,11 +29,11 @@ void flash_save(therm_settings_t* tosave
 void flash_restore(therm_settings_t *torestore)
 {
     ssd1306_clearscreen();
-    ssd1306_DrawString("READING SAVE", 1, 0);
+    ssd1306_drawstring("READING SAVE", 1, 0);
 
     if(eeprom[EEPROM_MAGIC_INDEX] != EEPROM_MAGIC_VALUE)
     {
-        ssd1306_DrawString("No data to read!", 2, 0);
+        ssd1306_drawstring("No data to read!", 2, 0);
         
         return;
     }
@@ -42,7 +42,7 @@ void flash_restore(therm_settings_t *tor
     for(i=0;i<128;i++)
         torestore->data[i] = *(eeprom+i);
 
-    ssd1306_DrawString("READ COMPLETE", 3, 0);
+    ssd1306_drawstring("READ COMPLETE", 3, 0);
 
 }