diff --git a/frontend/main.ts b/frontend/main.ts
index c578df6..5a4d8ff 100644
--- a/frontend/main.ts
+++ b/frontend/main.ts
@@ -129,6 +129,26 @@ function setMaxAmountRowers(name: string, rowers: number) {
     //    only_steering.parentElement?.parentElement?.parentElement?.classList.add('opacity-50');     
     //  }
     //}
+    let shipmaster = <HTMLElement>document.querySelector('#shipmaster-newrowerjs');
+    let steering_person = <HTMLElement>document.querySelector('#steering_person-newrowerjs');
+    if (rowers == 1){
+	if (shipmaster.parentNode) {
+		(<HTMLElement>shipmaster.parentNode).classList.add('hidden');
+	}
+	if (steering_person.parentNode){
+		(<HTMLElement>steering_person.parentNode).classList.add('hidden');
+	}
+    }else{
+	if (shipmaster.parentNode){
+		(<HTMLElement>shipmaster.parentNode).classList.remove('hidden');
+	}
+	shipmaster.setAttribute('required', 'required');
+
+	if (steering_person.parentNode){
+		(<HTMLElement>steering_person.parentNode).classList.remove('hidden');
+	}
+	steering_person.setAttribute('required', 'required');
+    }
   }
 }
 
diff --git a/src/model/logbook.rs b/src/model/logbook.rs
index 30ec70a..6230ad4 100644
--- a/src/model/logbook.rs
+++ b/src/model/logbook.rs
@@ -244,7 +244,7 @@ ORDER BY departure DESC
         };
 
         if let Ok(log_to_finalize) = TryInto::<LogToFinalize>::try_into(log.clone()) {
-            //TODO: fix clone()
+            //TODO: fix clone() above
 
             if !boat.shipmaster_allowed(created_by_user).await {
                 return Err(LogbookCreateError::UserNotAllowedToUseBoat);