diff --git a/radio/src/gui/9X/lcd.cpp b/radio/src/gui/9X/lcd.cpp
index 41654e39d..cfdb18dc0 100755
--- a/radio/src/gui/9X/lcd.cpp
+++ b/radio/src/gui/9X/lcd.cpp
@@ -1181,7 +1181,7 @@ void lcd_putcAtt(coord_t x, uint8_t y, const unsigned char c, LcdFlags flags)
         b1 = ~b1;
         b2 = ~b2;
       }
-      if(&p[LCD_W+1] < DISPLAY_END) {
+      if(p+LCD_W < DISPLAY_END) {
         ASSERT_IN_DISPLAY(p);
         ASSERT_IN_DISPLAY(p+LCD_W);
         LCD_BYTE_FILTER(p, 0, b1);
diff --git a/radio/src/tests/dblsize_bottom_right_128x64.png b/radio/src/tests/dblsize_bottom_right_128x64.png
new file mode 100644
index 000000000..d77b7e4c8
Binary files /dev/null and b/radio/src/tests/dblsize_bottom_right_128x64.png differ
diff --git a/radio/src/tests/dblsize_bottom_right_212x64.png b/radio/src/tests/dblsize_bottom_right_212x64.png
new file mode 100644
index 000000000..9622f2412
Binary files /dev/null and b/radio/src/tests/dblsize_bottom_right_212x64.png differ
diff --git a/radio/src/tests/lcd.cpp b/radio/src/tests/lcd.cpp
index 60a8f00b0..e3cebfbf3 100644
--- a/radio/src/tests/lcd.cpp
+++ b/radio/src/tests/lcd.cpp
@@ -174,6 +174,13 @@ TEST(Lcd, Line_Wrap)
   EXPECT_TRUE(checkScreenshot("line_wrap"));
 }
 
+TEST(Lcd, DblsizeBottomRight)
+{
+  lcd_clear();
+  lcd_putsAtt(LCD_W-20, LCD_H-16, "TEST", DBLSIZE);
+  EXPECT_TRUE(checkScreenshot("dblsize_bottom_right"));
+}
+
 #if defined(CPUARM)
 TEST(Lcd, Smlsize_putsStrIdx)
 {