diff --git a/components/lib/autocomplete/AutoComplete.vue b/components/lib/autocomplete/AutoComplete.vue
index 72f2d9f17..6c33e8073 100755
--- a/components/lib/autocomplete/AutoComplete.vue
+++ b/components/lib/autocomplete/AutoComplete.vue
@@ -124,7 +124,7 @@
                     v-bind="{ ...panelProps, ...ptm('panel') }"
                 >
                     <slot name="header" :value="modelValue" :suggestions="visibleOptions"></slot>
-                    <VirtualScroller :ref="virtualScrollerRef" v-bind="{ ...virtualScrollerOptions, ...ptm('virtualScroller') }" :style="{ height: scrollHeight }" :items="visibleOptions" :tabindex="-1" :disabled="virtualScrollerDisabled">
+                    <VirtualScroller :ref="virtualScrollerRef" v-bind="virtualScrollerOptions" :style="{ height: scrollHeight }" :items="visibleOptions" :tabindex="-1" :disabled="virtualScrollerDisabled" :pt="ptm('virtualScroller')">
                         <template v-slot:content="{ styleClass, contentRef, items, getItemOptions, contentStyle, itemSize }">
                             <ul :ref="(el) => listRef(el, contentRef)" :id="id + '_list'" :class="[cx('list'), styleClass]" :style="contentStyle" role="listbox" v-bind="ptm('list')">
                                 <template v-for="(option, i) of items" :key="getOptionRenderKey(option, getOptionIndex(i, getItemOptions))">
diff --git a/components/lib/dropdown/Dropdown.vue b/components/lib/dropdown/Dropdown.vue
index f15560add..cf40b169d 100755
--- a/components/lib/dropdown/Dropdown.vue
+++ b/components/lib/dropdown/Dropdown.vue
@@ -102,7 +102,7 @@
                         </span>
                     </div>
                     <div :class="cx('wrapper')" :style="{ 'max-height': virtualScrollerDisabled ? scrollHeight : '' }" v-bind="ptm('wrapper')">
-                        <VirtualScroller :ref="virtualScrollerRef" v-bind="{ ...virtualScrollerOptions, ...ptm('virtualScroller') }" :items="visibleOptions" :style="{ height: scrollHeight }" :tabindex="-1" :disabled="virtualScrollerDisabled">
+                        <VirtualScroller :ref="virtualScrollerRef" v-bind="virtualScrollerOptions" :items="visibleOptions" :style="{ height: scrollHeight }" :tabindex="-1" :disabled="virtualScrollerDisabled" :pt="ptm('virtualScroller')">
                             <template v-slot:content="{ styleClass, contentRef, items, getItemOptions, contentStyle, itemSize }">
                                 <ul :ref="(el) => listRef(el, contentRef)" :id="id + '_list'" :class="[cx('list'), styleClass]" :style="contentStyle" role="listbox" v-bind="ptm('list')">
                                     <template v-for="(option, i) of items" :key="getOptionRenderKey(option, getOptionIndex(i, getItemOptions))">
diff --git a/components/lib/listbox/Listbox.vue b/components/lib/listbox/Listbox.vue
index dd70f8922..ebb37dd80 100755
--- a/components/lib/listbox/Listbox.vue
+++ b/components/lib/listbox/Listbox.vue
@@ -41,7 +41,7 @@
             </span>
         </div>
         <div ref="listWrapper" :class="cx('wrapper')" :style="listStyle" v-bind="ptm('wrapper')">
-            <VirtualScroller :ref="virtualScrollerRef" v-bind="{ ...virtualScrollerOptions, ...ptm('virtualScroller') }" :style="listStyle" :items="visibleOptions" :tabindex="-1" :disabled="virtualScrollerDisabled">
+            <VirtualScroller :ref="virtualScrollerRef" v-bind="virtualScrollerOptions" :style="listStyle" :items="visibleOptions" :tabindex="-1" :disabled="virtualScrollerDisabled" :pt="ptm('virtualScroller')">
                 <template v-slot:content="{ styleClass, contentRef, items, getItemOptions, contentStyle, itemSize }">
                     <ul
                         :ref="(el) => listRef(el, contentRef)"
@@ -82,7 +82,7 @@
                                 @touchend="onOptionTouchEnd()"
                                 v-bind="getPTOptions(option, getItemOptions, i, 'item')"
                                 :data-p-highlight="isSelected(option)"
-                                :data-p-focused="focusedOptionIndex === getOptionIndex(index, getItemOptions)"
+                                :data-p-focused="focusedOptionIndex === getOptionIndex(i, getItemOptions)"
                                 :data-p-disabled="isOptionDisabled(option)"
                             >
                                 <slot name="option" :option="option" :index="getOptionIndex(i, getItemOptions)">{{ getOptionLabel(option) }}</slot>
diff --git a/components/lib/multiselect/MultiSelect.vue b/components/lib/multiselect/MultiSelect.vue
index be17b6be8..f6d0237c4 100755
--- a/components/lib/multiselect/MultiSelect.vue
+++ b/components/lib/multiselect/MultiSelect.vue
@@ -110,7 +110,7 @@
                         </button>
                     </div>
                     <div :class="cx('wrapper')" :style="{ 'max-height': virtualScrollerDisabled ? scrollHeight : '' }" v-bind="ptm('wrapper')">
-                        <VirtualScroller :ref="virtualScrollerRef" v-bind="{ ...virtualScrollerOptions, ...ptm('virtualScroller') }" :items="visibleOptions" :style="{ height: scrollHeight }" :tabindex="-1" :disabled="virtualScrollerDisabled">
+                        <VirtualScroller :ref="virtualScrollerRef" v-bind="virtualScrollerOptions" :items="visibleOptions" :style="{ height: scrollHeight }" :tabindex="-1" :disabled="virtualScrollerDisabled" :pt="ptm('virtualScroller')">
                             <template v-slot:content="{ styleClass, contentRef, items, getItemOptions, contentStyle, itemSize }">
                                 <ul :ref="(el) => listRef(el, contentRef)" :id="id + '_list'" :class="[cx('list'), styleClass]" :style="contentStyle" role="listbox" aria-multiselectable="true" v-bind="ptm('list')">
                                     <template v-for="(option, i) of items" :key="getOptionRenderKey(option, getOptionIndex(i, getItemOptions))">