diff --git a/cassandra/values.yaml b/cassandra/values.yaml
index 6e3d938..824e71a 100644
--- a/cassandra/values.yaml
+++ b/cassandra/values.yaml
@@ -150,7 +150,7 @@ initDB: |
 
 ## @param initDBConfigMap ConfigMap with cql scripts. Useful for creating a keyspace and pre-populating data
 ##
-initDBConfigMap: {}
+initDBConfigMap: ""
 
 ## @param initDBSecret Secret with cql script (with sensitive data). Useful for creating a keyspace and pre-populating data
 ##