diff --git a/rollup.config.js b/rollup.config.js
index c6a77531048..a69759667a4 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -30,7 +30,7 @@ const plugins = (minify) =>
       module: {
         type: 'es6'
       },
-      sourceMaps: true
+      sourceMaps: false
     }),
     minify
       ? terser({
@@ -54,7 +54,7 @@ export default [
       file: 'dist/chart.umd.js',
       format: 'umd',
       indent: false,
-      sourcemap: true,
+      sourcemap: false,
     },
   },
 
@@ -75,7 +75,7 @@ export default [
       banner,
       format: 'esm',
       indent: false,
-      sourcemap: true,
+      sourcemap: false,
     },
   },
 
@@ -96,7 +96,7 @@ export default [
       banner,
       format: 'commonjs',
       indent: false,
-      sourcemap: true,
+      sourcemap: false,
     },
   }
 ];
diff --git a/src/helpers/helpers.dom.ts b/src/helpers/helpers.dom.ts
index c83712983ac..ec3b42c9fa6 100644
--- a/src/helpers/helpers.dom.ts
+++ b/src/helpers/helpers.dom.ts
@@ -200,7 +200,7 @@ export function getMaximumSize(
   const maintainHeight = bbWidth !== undefined || bbHeight !== undefined;
 
   if (maintainHeight && aspectRatio && containerSize.height && height > containerSize.height) {
-    height = containerSize.height;
+    height = round1(containerSize.height);
     width = round1(Math.floor(height * aspectRatio));
   }