diff --git a/rust/operator-binary/src/druid_controller.rs b/rust/operator-binary/src/druid_controller.rs
index 18203d8ca..0123a11f1 100644
--- a/rust/operator-binary/src/druid_controller.rs
+++ b/rust/operator-binary/src/druid_controller.rs
@@ -484,11 +484,23 @@ fn build_rolegroup_config_map(
                 // add tls encryption / auth properties
                 tls_settings.add_tls_config_properties(&mut transformed_config, &role);
 
-                let runtime_properties =
-                    stackable_operator::product_config::writer::to_java_properties_string(
-                        transformed_config.iter(),
-                    )
-                    .context(PropertiesWriteSnafu)?;
+                //                let runtime_properties =
+                //                    stackable_operator::product_config::writer::to_java_properties_string(
+                //                        transformed_config.iter(),
+                //                    )
+                //                    .context(PropertiesWriteSnafu)?;
+                let runtime_properties: String = transformed_config
+                    .iter()
+                    .map(|kv| {
+                        format!(
+                            "{}={}",
+                            kv.0,
+                            kv.1.clone().unwrap_or_else(|| "".to_string())
+                        )
+                    })
+                    .reduce(|content, line| format!("{content}\n{line}"))
+                    .unwrap_or_else(|| "".to_string());
+
                 cm_conf_data.insert(RUNTIME_PROPS.to_string(), runtime_properties);
             }
             PropertyNameKind::File(file_name) if file_name == JVM_CONFIG => {