diff --git a/radio/src/lua/api_lcd.cpp b/radio/src/lua/api_lcd.cpp
index 9e2333264..e399a2f53 100644
--- a/radio/src/lua/api_lcd.cpp
+++ b/radio/src/lua/api_lcd.cpp
@@ -119,11 +119,11 @@ static int luaLcdDrawLine(lua_State *L)
 
   if (pat == SOLID) {
     if (x1 == x2) {
-      lcdDrawSolidVerticalLine(x1, y1<y2 ? y1 : y2,  y1<y2 ? y2-y1 : y1 - y2, flags);
+      lcdDrawSolidVerticalLine(x1, y1<y2 ? y1 : y2,  y1<y2 ? (y2-y1)+1 : (y1-y2)+1, flags);
       return 0;
     }
     else if (y1 == y2) {
-      lcdDrawSolidHorizontalLine(x1<x2 ? x1:x2, y1, x1<x2 ? x2-x1 : x1-x2, flags);
+      lcdDrawSolidHorizontalLine(x1<x2 ? x1 : x2, y1, x1<x2 ? (x2-x1)+1 : (x1-x2)+1, flags);
       return 0;
     }
   }