diff --git a/ippisite/ippidb/templates/base.html b/ippisite/ippidb/templates/base.html
index a4918d9c9257b76bbc9f555ca89d9304698ab5ef..18a1e3d53942fb9d312c48def1d1134858746134 100644
--- a/ippisite/ippidb/templates/base.html
+++ b/ippisite/ippidb/templates/base.html
@@ -126,7 +126,8 @@
                                                         return label;
                                                     }
                                                 }
-                                            }
+                                            },
+                                            maintainAspectRatio: false
                 }});
             };
             var drawCompoundsBiplotChart = function(canvasId, compoundId, compoundFamily, plotData, tabHash){