diff --git a/dynamodb_table_config.go b/dynamodb_table_config.go
index da71769..0085da4 100644
--- a/dynamodb_table_config.go
+++ b/dynamodb_table_config.go
@@ -1,7 +1,7 @@
 package remoteconfig
 
 type DynamoDBTableConfig struct {
-	TableName *string `json:"table_name,omitempty"`
+	TableName *string `mapstructure:"table_name" json:"table_name,omitempty"`
 }
 
 func (d DynamoDBTableConfig) GetTableName() string {