diff --git a/packages/api/src/controllers/apps.js b/packages/api/src/controllers/apps.js
index 7e057d80d..c6504874e 100644
--- a/packages/api/src/controllers/apps.js
+++ b/packages/api/src/controllers/apps.js
@@ -245,7 +245,7 @@ module.exports = {
   },
 
   saveDictionaryDescription_meta: true,
-  async saveDictionaryDescription({ appFolder, pureName, schemaName, expresssion, columns, delimiter }) {
+  async saveDictionaryDescription({ appFolder, pureName, schemaName, expression, columns, delimiter }) {
     await this.saveConfigFile(
       appFolder,
       'dictionary-descriptions.config.json',
@@ -253,7 +253,7 @@ module.exports = {
       {
         schemaName,
         pureName,
-        expresssion,
+        expression,
         columns,
         delimiter,
       }
diff --git a/packages/types/appdefs.d.ts b/packages/types/appdefs.d.ts
index d88559d79..b9826bebf 100644
--- a/packages/types/appdefs.d.ts
+++ b/packages/types/appdefs.d.ts
@@ -22,7 +22,7 @@ interface VirtualReferenceDefinition {
 interface DictionaryDescriptionDefinition {
   pureName: string;
   schemaName?: string;
-  expresssion: string;
+  expression: string;
   columns: string[];
   delimiter: string;
 }