diff --git a/frontend/src/pages/TracesExplorer/Filter/SectionContent.tsx b/frontend/src/pages/TracesExplorer/Filter/SectionContent.tsx
index 05fc7bb1f3..4cefaaeca0 100644
--- a/frontend/src/pages/TracesExplorer/Filter/SectionContent.tsx
+++ b/frontend/src/pages/TracesExplorer/Filter/SectionContent.tsx
@@ -4,7 +4,7 @@ import { Button, Card, Checkbox, Input, Tooltip } from 'antd';
 import { CheckboxChangeEvent } from 'antd/es/checkbox';
 import { ParaGraph } from 'container/Trace/Filters/Panel/PanelBody/Common/styles';
 import useDebouncedFn from 'hooks/useDebouncedFunction';
-import { defaultTo, isEmpty } from 'lodash-es';
+import { isArray, isEmpty } from 'lodash-es';
 import {
 	ChangeEvent,
 	Dispatch,
@@ -17,6 +17,7 @@ import {
 import {
 	addFilter,
 	AllTraceFilterKeys,
+	convertToStringArr,
 	FilterType,
 	HandleRunProps,
 	removeFilter,
@@ -37,15 +38,14 @@ export function SectionBody(props: SectionBodyProps): JSX.Element {
 	const [searchFilter, setSearchFilter] = useState<string>('');
 	const [searchText, setSearchText] = useState<string>('');
 	const [checkedItems, setCheckedItems] = useState<string[]>(
-		defaultTo(selectedFilters?.[type]?.values as string[], []),
+		convertToStringArr(selectedFilters?.[type]?.values),
 	);
 
 	const [results, setResults] = useState<string[]>([]);
 	const [isFetching, setFetching] = useState<boolean>(false);
 
 	useEffect(
-		() =>
-			setCheckedItems(defaultTo(selectedFilters?.[type]?.values as string[], [])),
+		() => setCheckedItems(convertToStringArr(selectedFilters?.[type]?.values)),
 		[selectedFilters, type],
 	);
 
@@ -92,17 +92,21 @@ export function SectionBody(props: SectionBodyProps): JSX.Element {
 		if (checked) {
 			addFilter(type, newValue, setSelectedFilters, keys);
 			setCheckedItems((prev) => {
-				if (!prev.includes(newValue)) {
-					prev.push(newValue);
+				const arr = prev || [];
+				if (isArray(arr) && !arr.includes(newValue)) {
+					arr.push(newValue);
 				}
-				return prev;
+				return convertToStringArr(arr);
 			});
 		} else if (checkedItems.length === 1) {
 			handleRun({ clearByType: type });
 			setCheckedItems([]);
 		} else {
 			removeFilter(type, newValue, setSelectedFilters, keys);
-			setCheckedItems((prev) => prev.filter((item) => item !== newValue));
+			setCheckedItems((prev) => {
+				const prevValue = convertToStringArr(prev);
+				return prevValue.filter((item) => item !== newValue);
+			});
 		}
 	};
 
diff --git a/frontend/src/pages/TracesExplorer/Filter/filterUtils.ts b/frontend/src/pages/TracesExplorer/Filter/filterUtils.ts
index 86b52fdbb0..88f604a0dc 100644
--- a/frontend/src/pages/TracesExplorer/Filter/filterUtils.ts
+++ b/frontend/src/pages/TracesExplorer/Filter/filterUtils.ts
@@ -1,6 +1,5 @@
 /* eslint-disable react-hooks/exhaustive-deps */
 import { getAttributesValues } from 'api/queryBuilder/getAttributesValues';
-import { isArray } from 'lodash-es';
 import { Dispatch, SetStateAction, useEffect, useState } from 'react';
 import {
 	BaseAutocompleteData,
@@ -41,6 +40,18 @@ export type FilterType = Record<
 	{ values: string[] | string; keys: BaseAutocompleteData }
 >;
 
+export function convertToStringArr(
+	value: string | string[] | undefined,
+): string[] {
+	if (value) {
+		if (typeof value === 'string') {
+			return [value];
+		}
+		return value;
+	}
+	return [];
+}
+
 export const addFilter = (
 	filterType: AllTraceFilterKeys,
 	value: string,
@@ -62,28 +73,36 @@ export const addFilter = (
 			'durationNano',
 		].includes(filterType);
 
+		// Convert value to string array
+		const valueArray = convertToStringArr(value);
+
 		// If previous filters are undefined, initialize them
 		if (!prevFilters) {
 			return ({
-				[filterType]: { values: isDuration ? value : [value], keys },
+				[filterType]: { values: isDuration ? value : valueArray, keys },
 			} as unknown) as FilterType;
 		}
+
 		// If the filter type doesn't exist, initialize it
 		if (!prevFilters[filterType]?.values.length) {
 			return {
 				...prevFilters,
-				[filterType]: { values: isDuration ? value : [value], keys },
+				[filterType]: { values: isDuration ? value : valueArray, keys },
 			};
 		}
+
 		// If the value already exists, don't add it again
-		if (prevFilters[filterType].values.includes(value)) {
+		if (convertToStringArr(prevFilters[filterType].values).includes(value)) {
 			return prevFilters;
 		}
+
 		// Otherwise, add the value to the existing array
 		return {
 			...prevFilters,
 			[filterType]: {
-				values: isDuration ? value : [...prevFilters[filterType].values, value],
+				values: isDuration
+					? value
+					: [...convertToStringArr(prevFilters[filterType].values), value],
 				keys,
 			},
 		};
@@ -110,10 +129,8 @@ export const removeFilter = (
 			return prevFilters;
 		}
 
-		const prevValue = prevFilters[filterType]?.values;
-		const updatedValues = !isArray(prevValue)
-			? prevValue
-			: prevValue?.filter((item: any) => item !== value);
+		const prevValue = convertToStringArr(prevFilters[filterType]?.values);
+		const updatedValues = prevValue.filter((item: any) => item !== value);
 
 		if (updatedValues.length === 0) {
 			const { [filterType]: item, ...remainingFilters } = prevFilters;