diff --git a/simccs_maptool/templates/simccs_maptool/index.html b/simccs_maptool/templates/simccs_maptool/index.html
index b245306..df7e893 100644
--- a/simccs_maptool/templates/simccs_maptool/index.html
+++ b/simccs_maptool/templates/simccs_maptool/index.html
@@ -1804,7 +1804,7 @@ <h5 class="modal-title">Generate MPS file</h5>
                 else if (fv > 7.5 && fv <= 10) {lw = 4;}
                 else if (fv > 10) {lw=5;}
                 else {lw=1;}
-                layer.setStyle({weight:lw+1});
+                layer.setStyle({weight:Math.ceil(lw*1.5)});
             });
             map.addLayer(result_sinkLayer);
             map.addLayer(result_sourceLayer);