diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
index 9d57eac992..8d7c4fa43e 100644
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -1559,6 +1559,7 @@ public:
 					}
 					height++;
 					str = tbl->legend;
+					if (i == SMT_CONTOUR) SetDParam(0, tbl->height * TILE_HEIGHT_STEP);
 				}
 				min_width = std::max(GetStringBoundingBox(str).width, min_width);
 			}