diff --git a/x-pack/plugins/uptime/public/components/monitor/ping_list/columns/ping_timestamp/step_image_caption.test.tsx b/x-pack/plugins/uptime/public/components/monitor/ping_list/columns/ping_timestamp/step_image_caption.test.tsx
index 80ed3ca46b8a..a33e58709327 100644
--- a/x-pack/plugins/uptime/public/components/monitor/ping_list/columns/ping_timestamp/step_image_caption.test.tsx
+++ b/x-pack/plugins/uptime/public/components/monitor/ping_list/columns/ping_timestamp/step_image_caption.test.tsx
@@ -21,6 +21,7 @@ describe('StepImageCaption', () => {
       setStepNumber: jest.fn(),
       stepNumber: 2,
       timestamp: '2020-11-26T15:28:56.896Z',
+      isLoading: false,
     };
   });
 
diff --git a/x-pack/plugins/uptime/public/components/monitor/ping_list/columns/ping_timestamp/step_image_caption.tsx b/x-pack/plugins/uptime/public/components/monitor/ping_list/columns/ping_timestamp/step_image_caption.tsx
index cdc6568ddad7..fe9709a02b68 100644
--- a/x-pack/plugins/uptime/public/components/monitor/ping_list/columns/ping_timestamp/step_image_caption.tsx
+++ b/x-pack/plugins/uptime/public/components/monitor/ping_list/columns/ping_timestamp/step_image_caption.tsx
@@ -19,7 +19,7 @@ export interface StepImageCaptionProps {
   setStepNumber: React.Dispatch<React.SetStateAction<number>>;
   stepNumber: number;
   timestamp: string;
-  isLoading?: boolean;
+  isLoading: boolean;
 }
 
 const ImageCaption = euiStyled.div`
@@ -47,7 +47,7 @@ export const StepImageCaption: React.FC<StepImageCaptionProps> = ({
               <EuiButtonEmpty
                 disabled={stepNumber === 1}
                 onClick={() => {
-                  setStepNumber((prevState) => prevState - 1);
+                  setStepNumber(stepNumber - 1);
                 }}
                 iconType="arrowLeft"
                 aria-label={prevAriaLabel}
@@ -63,7 +63,7 @@ export const StepImageCaption: React.FC<StepImageCaptionProps> = ({
               <EuiButtonEmpty
                 disabled={stepNumber === maxSteps}
                 onClick={() => {
-                  setStepNumber((prevState) => prevState + 1);
+                  setStepNumber(stepNumber + 1);
                 }}
                 iconType="arrowRight"
                 iconSide="right"