diff --git a/src/client/theme-default/slots/SourceCodeEditor/index.tsx b/src/client/theme-default/slots/SourceCodeEditor/index.tsx
index 132a6960c..74737655b 100644
--- a/src/client/theme-default/slots/SourceCodeEditor/index.tsx
+++ b/src/client/theme-default/slots/SourceCodeEditor/index.tsx
@@ -89,6 +89,7 @@ const SourceCodeEditor: FC<ISourceCodeEditorProps> = (props) => {
               autoComplete="off"
               autoCorrect="off"
               autoSave="off"
+              spellcheck="false"
             />
           )
         }