diff --git a/common/static/common/js/karma.common.conf.js b/common/static/common/js/karma.common.conf.js
index 385acd15ad..2cf2bbc78b 100644
--- a/common/static/common/js/karma.common.conf.js
+++ b/common/static/common/js/karma.common.conf.js
@@ -74,6 +74,7 @@ function coverageSettings(config) {
     return {
         dir: path.dir,
         subdir: '.',
+        includeAllSources: true,
         reporters: [
             {type: 'cobertura', file: path.file},
             {type: 'text-summary'}