diff --git a/src/gfx.cpp b/src/gfx.cpp
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -509,7 +509,7 @@ int DrawString(int left, int right, int 
 	}
 
 	Layouter layout(str, INT32_MAX, colour, fontsize);
-	if (layout.Length() == 0) return 0;
+	if (layout.size() == 0) return 0;
 
 	return DrawLayoutLine(*layout.Begin(), top, left, right, align, underline, true);
 }
@@ -574,7 +574,7 @@ int GetStringLineCount(StringID str, int
 	GetString(buffer, str, lastof(buffer));
 
 	Layouter layout(buffer, maxw);
-	return layout.Length();
+	return layout.size();
 }
 
 /**