1 files changed, 2 insertions, 2 deletions
diff --git a/app/assets/javascripts/notebook/cells/code.vue b/app/assets/javascripts/notebook/cells/code.vue
index 1782e5bfe5a..f5a6f3a9817 100644
--- a/app/assets/javascripts/notebook/cells/code.vue
+++ b/app/assets/javascripts/notebook/cells/code.vue
@@ -21,11 +21,11 @@ export default {
   },
   computed: {
     rawInputCode() {
-      if (this.cell.source) {
+      if (this.cell.source && Array.isArray(this.cell.source)) {
         return this.cell.source.join('');
       }
 
-      return '';
+      return this.cell.source || '';
     },
     hasOutput() {
       return this.cell.outputs.length;