diff --git a/LiquidCrystal_I2C.cpp b/LiquidCrystal_I2C.cpp
index 30faad3..1697d70 100644
--- a/LiquidCrystal_I2C.cpp
+++ b/LiquidCrystal_I2C.cpp
@@ -47,7 +47,7 @@ LiquidCrystal_I2C::LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t lcd_cols,
   lcdRows = lcd_rows;
   lcdCols = lcd_cols;
 
-  _backlightval &= ~LCD_BACKLIGHT;
+  _backlightval = 0;
 
   I2CManager.begin();
   I2CManager.setClock(100000L);    // PCF8574 is spec'd to 100kHz.
diff --git a/version.h b/version.h
index 9b926cd..97b4ab8 100644
--- a/version.h
+++ b/version.h
@@ -3,7 +3,8 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "3.1.4"
+#define VERSION "3.1.5"
+// 3.1.5 Fix LCD corruption on power-up
 // 3.1.4 Refactor OLED and LCD drivers and remove unused code
 // 3.1.3 Add a loop delay to give more time for sensing an Ethernet cable connection
 // 3.1.2 Eliminate wait after write when prog is joined or prog power is off