diff --git a/examples/monitoring/src/main.rs b/examples/monitoring/src/main.rs
index 195a31c..a39e8e2 100644
--- a/examples/monitoring/src/main.rs
+++ b/examples/monitoring/src/main.rs
@@ -46,7 +46,7 @@ async fn main() {
     );
 
     let service_monitor_endpoint = ServiceMonitorEndpoint {
-        port: Some(80),
+        port: Some("80".to_string()),
         target_port: None,
         bearer_token_file: None,
         interval: None,
diff --git a/harmony/src/modules/monitoring/kube_prometheus/types.rs b/harmony/src/modules/monitoring/kube_prometheus/types.rs
index 4d2a496..b74f79b 100644
--- a/harmony/src/modules/monitoring/kube_prometheus/types.rs
+++ b/harmony/src/modules/monitoring/kube_prometheus/types.rs
@@ -96,11 +96,11 @@ pub struct ServiceMonitorTLSConfig {
 pub struct ServiceMonitorEndpoint {
     // ## Name of the endpoint's service port
     // ## Mutually exclusive with targetPort
-    pub port: Option<u16>,
+    pub port: Option<String>,
 
     // ## Name or number of the endpoint's target port
     // ## Mutually exclusive with port
-    pub target_port: Option<u16>,
+    pub target_port: Option<String>,
 
     // ## File containing bearer token to be used when scraping targets
     // ##