diff --git a/.nvmrc b/.nvmrc
index 3c032078a..aacb51810 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-18
+18.17
diff --git a/src/components/ObsDetails/hooks/useMarkViewedMutation.js b/src/components/ObsDetails/hooks/useMarkViewedMutation.js
index 333ae21c9..1ce61e261 100644
--- a/src/components/ObsDetails/hooks/useMarkViewedMutation.js
+++ b/src/components/ObsDetails/hooks/useMarkViewedMutation.js
@@ -63,7 +63,7 @@ const useMarkViewedMutation = (
   );
 
   useEffect( ( ) => {
-    if ( !remoteObservation && isMarkingViewed ) { return; }
+    if ( !remoteObservation || isMarkingViewed ) { return; }
     if ( localObservation?.unviewed( ) === true ) {
       setIsMarkingViewed( true );
       markViewedMutation.mutate( { id: uuid } );