diff --git a/src/components/ToastContainer.tsx b/src/components/ToastContainer.tsx
index 9efbbc04..92c10a19 100644
--- a/src/components/ToastContainer.tsx
+++ b/src/components/ToastContainer.tsx
@@ -53,8 +53,10 @@ export function ToastContainer(props: ToastContainerProps) {
   }
 
   function collapseAll() {
-    setIsCollapsed(true);
-    toast.play();
+    if (stacked) {
+      setIsCollapsed(true);
+      toast.play();
+    }
   }
 
   useLayoutEffect(() => {
@@ -94,8 +96,10 @@ export function ToastContainer(props: ToastContainerProps) {
       className={Default.CSS_NAMESPACE as string}
       id={containerId as string}
       onMouseEnter={() => {
-        setIsCollapsed(false);
-        toast.pause();
+        if (stacked) {
+          setIsCollapsed(false);
+          toast.pause();
+        }
       }}
       onMouseLeave={collapseAll}
     >
diff --git a/src/hooks/useToast.ts b/src/hooks/useToast.ts
index b06b58ef..db22c332 100644
--- a/src/hooks/useToast.ts
+++ b/src/hooks/useToast.ts
@@ -167,7 +167,7 @@ export function useToast(props: ToastProps) {
     eventHandlers.onMouseEnter = pauseToast;
 
     // progress control is delegated to the container
-    if (props.stacked === false) eventHandlers.onMouseLeave = playToast;
+    if (!props.stacked) eventHandlers.onMouseLeave = playToast;
   }
 
   // prevent toast from closing when user drags the toast