diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0889e3..0a80757 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 
+## 0.3.3
+
 * added bit type support for mysql/mariadb
+* fixed generation of relations with only onUpdate defined(#139)
 
 ## 0.3.2
 * added option to generate models based on multiple databases(#144)
diff --git a/src/entity.mst b/src/entity.mst
index b9b0a2d..5a49072 100644
--- a/src/entity.mst
+++ b/src/entity.mst
@@ -25,7 +25,7 @@ import {BaseEntity,Column,Entity,Index,JoinColumn,JoinTable,ManyToMany,ManyToOne
         }){{/options}}
     {{printPropertyVisibility}}{{toPropertyName tsName}}:{{tsType}}{{#options/nullable}} | null{{/options/nullable}};
         {{/relations}}{{#relations}}
-    @{{relationType}}(type=>{{toEntityName relatedTable}}, {{tolowerCaseFirst relatedTable}}=>{{tolowerCaseFirst relatedTable}}.{{#if isOwner}}{{toPropertyName ownerColumn}},{ {{#../options/primary}}primary:true,{{/../options/primary}}{{^../options/nullable}} nullable:false,{{/../options/nullable}}{{#actionOnDelete}}onDelete: '{{.}}',{{/actionOnDelete}}{{#actionOnUpdate}}onUpdate: '{{.}}'{{/actionOnUpdate}} }{{else}}{{toPropertyName relatedColumn}}{{#if (or actionOnDelete actionOnUpdate ) }}{{#actionOnDelete}},{ onDelete: '{{.}}' ,{{/actionOnDelete}}{{#actionOnUpdate}}onUpdate: '{{.}}'{{/actionOnUpdate}} }{{/if}}{{/if}}){{#isOwner}}
+    @{{relationType}}(type=>{{toEntityName relatedTable}}, {{tolowerCaseFirst relatedTable}}=>{{tolowerCaseFirst relatedTable}}.{{#if isOwner}}{{toPropertyName ownerColumn}},{ {{#../options/primary}}primary:true,{{/../options/primary}}{{^../options/nullable}} nullable:false,{{/../options/nullable}}{{#actionOnDelete}}onDelete: '{{.}}',{{/actionOnDelete}}{{#actionOnUpdate}}onUpdate: '{{.}}'{{/actionOnUpdate}} }{{else}}{{toPropertyName relatedColumn}}{{#if (or actionOnDelete actionOnUpdate ) }},{ {{#actionOnDelete}}onDelete: '{{.}}' ,{{/actionOnDelete}}{{#actionOnUpdate}}onUpdate: '{{.}}'{{/actionOnUpdate}} }{{/if}}{{/if}}){{#isOwner}}
     {{#if isManyToMany}}@JoinTable({ name:'{{ ../options/name}}'}){{else}}@JoinColumn({ name:'{{ ../options/name}}'}){{/if}}{{/isOwner}}
     {{#if (or isOneToMany isManyToMany)}}{{printPropertyVisibility}}{{toPropertyName ../tsName}}:{{toLazy (concat  (toEntityName relatedTable) "[]")}};
     {{else}}{{printPropertyVisibility}}{{toPropertyName ../tsName}}:{{toLazy (concat (toEntityName relatedTable) ' | null')}};