diff --git a/rollup-uglify.conf.js b/rollup-uglify.conf.js
index 1a2e1d2ae..2493cd6ec 100644
--- a/rollup-uglify.conf.js
+++ b/rollup-uglify.conf.js
@@ -10,7 +10,8 @@ export default {
       '@angular/platform-browser': 'ng.platform-browser',
       '@angular/common': 'ng.common'
     },
-    name: 'angular.datatables'
+    name: 'angular.datatables',
+    sourcemap: true
   },
   external: [
     '@angular/core',
diff --git a/rollup.conf.js b/rollup.conf.js
index 4290cb1b5..8f0bbde59 100644
--- a/rollup.conf.js
+++ b/rollup.conf.js
@@ -9,7 +9,8 @@ export default {
       '@angular/common': 'ng.common',
       'jquery': '$'
     },
-    format: 'umd'
+    format: 'umd',
+    sourcemap: true
   },
   external: [
     '@angular/core',