diff --git a/pom.xml b/pom.xml
index eba6662..7225163 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <groupId>com.loafle.overflow</groupId>
     <artifactId>commons-java</artifactId>
     <packaging>jar</packaging>
-    <version>1.0.49-SNAPSHOT</version>
+    <version>1.0.50-SNAPSHOT</version>
     <name>com.loafle.overflow.commons-java</name>
 
     <properties>
diff --git a/src/main/java/com/loafle/overflow/model/meta/MetaTargetType.java b/src/main/java/com/loafle/overflow/model/meta/MetaTargetType.java
index 419bf75..7808d3c 100644
--- a/src/main/java/com/loafle/overflow/model/meta/MetaTargetType.java
+++ b/src/main/java/com/loafle/overflow/model/meta/MetaTargetType.java
@@ -10,7 +10,7 @@ import java.util.Date;
 @Entity
 @Table(name = "META_TARGET_TYPE", schema = "public")
 @Inheritance(strategy = InheritanceType.SINGLE_TABLE)
-@DiscriminatorColumn(name = "TARGET_TYPE", discriminatorType = DiscriminatorType.INTEGER)
+@DiscriminatorColumn(name = "META_INFRA_TYPE_ID", discriminatorType = DiscriminatorType.INTEGER)
 public abstract class MetaTargetType {
   private Integer id;
   private MetaInfraType metaInfraType;
@@ -29,7 +29,7 @@ public abstract class MetaTargetType {
   }
 
   @ManyToOne
-  @JoinColumn(name = "META_INFRA_TYPE_ID")
+  @JoinColumn(name = "META_INFRA_TYPE_ID", insertable = true, updatable = false)
   public MetaInfraType getMetaInfraType() {
     return metaInfraType;
   }