diff --git a/Marlin/Conditionals.h b/Marlin/Conditionals.h
index 7ff543250..f9b4e89b7 100644
--- a/Marlin/Conditionals.h
+++ b/Marlin/Conditionals.h
@@ -155,23 +155,30 @@
     #define NEWPANEL
   #endif
 
+  #if ENABLED(DOGLCD) // Change number of lines to match the DOG graphic display
+    #ifndef LCD_WIDTH
+      #define LCD_WIDTH 22
+    #endif
+    #ifndef LCD_HEIGHT
+      #define LCD_HEIGHT 5
+    #endif
+  #endif
+
   #if ENABLED(ULTIPANEL)
     #define NEWPANEL  //enable this if you have a click-encoder panel
     #define ULTRA_LCD
-    #if ENABLED(DOGLCD) // Change number of lines to match the DOG graphic display
-      #define LCD_WIDTH 22
-      #define LCD_HEIGHT 5
-    #else
+    #ifndef LCD_WIDTH
       #define LCD_WIDTH 20
+    #endif
+    #ifndef LCD_HEIGHT
       #define LCD_HEIGHT 4
     #endif
   #else //no panel but just LCD
     #if ENABLED(ULTRA_LCD)
-      #if ENABLED(DOGLCD) // Change number of lines to match the 128x64 graphics display
-        #define LCD_WIDTH 22
-        #define LCD_HEIGHT 5
-      #else
+      #ifndef LCD_WIDTH
         #define LCD_WIDTH 16
+      #endif
+      #ifndef LCD_HEIGHT
         #define LCD_HEIGHT 2
       #endif
     #endif