diff --git a/c3.js b/c3.js
index 3fae10a..9231266 100644
--- a/c3.js
+++ b/c3.js
@@ -257,6 +257,7 @@
         // bar
         var __bar_width = getConfig(['bar', 'width']),
             __bar_width_ratio = getConfig(['bar', 'width', 'ratio'], 0.6),
+            __bar_width_max = getConfig(['bar', 'width', 'max']),
             __bar_zerobased = getConfig(['bar', 'zerobased'], true);
 
         // area
@@ -2166,7 +2167,8 @@
         //-- Bar --//
 
         function getBarW(axis, barTargetsNum) {
-            return typeof __bar_width === 'number' ? __bar_width : barTargetsNum ? (axis.tickOffset() * 2 * __bar_width_ratio) / barTargetsNum : 0;
+            var w = typeof __bar_width === 'number' ? __bar_width : barTargetsNum ? (axis.tickOffset() * 2 * __bar_width_ratio) / barTargetsNum : 0;
+            return __bar_width_ratio && w > __bar_width_max ? __bar_width_max : w;
         }
 
         //-- Type --//
diff --git a/c3.min.js b/c3.min.js
index 135c76d..ce5e3c3 100644
--- a/c3.min.js
+++ b/c3.min.js
@@ -1,3 +1,3 @@
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diff --git a/htdocs/samples/chart_bar.html b/htdocs/samples/chart_bar.html
index a1d146c..1f19af7 100644
--- a/htdocs/samples/chart_bar.html
+++ b/htdocs/samples/chart_bar.html
@@ -28,7 +28,8 @@
         },
         bar: {
           width: {
-            ratio: 0.3
+            ratio: 0.3,
+//            max: 30
           },
         }
       });