diff --git a/src/map/map.tsx b/src/map/map.tsx
index f06643b..7278618 100644
--- a/src/map/map.tsx
+++ b/src/map/map.tsx
@@ -22,7 +22,7 @@ function MapComponent({
 	events = [],
 }: MapProps) {
 	const mapRef = useRef<HTMLDivElement>(null)
-	const prevBoundsRef = useRef<number[] | undefined>()
+	const prevBoundsRef = useRef<number[]>([])
 	const [map, setMap] = useState<Map>()
 	const [maps, setMaps] = useState<MapsLibrary>()
 	const [googleApiCalled, setGoogleApiCalled] = useState<boolean>(false)
diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index be35f22..492cb87 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -1,4 +1,4 @@
-export const isArraysEqualEps = (arrayA: number[], arrayB?: number[], eps = 0.000001): boolean => {
+export const isArraysEqualEps = (arrayA: number[], arrayB: number[], eps = 0.000001): boolean => {
 	if (arrayA && arrayB) {
 		for (let i = 0; i !== arrayA.length; ++i) {
 			if (Math.abs(arrayA[i] - arrayB[i]) > eps) {