diff --git a/.changeset/thin-beers-peel.md b/.changeset/thin-beers-peel.md
new file mode 100644
index 00000000..0c644549
--- /dev/null
+++ b/.changeset/thin-beers-peel.md
@@ -0,0 +1,5 @@
+---
+'@smartcontractkit/operator-ui': patch
+---
+
+Fix bug preventing selection of "Rows per page" in jobs/ID/runs page
diff --git a/src/screens/Job/JobView.test.tsx b/src/screens/Job/JobView.test.tsx
index 9336f2a2..23f1a3d7 100644
--- a/src/screens/Job/JobView.test.tsx
+++ b/src/screens/Job/JobView.test.tsx
@@ -118,7 +118,7 @@ describe('JobView', () => {
       },
     })
 
-    renderComponent({ job, runsCount: 1 }, '/jobs/1/runs?page=1&per=1')
+    renderComponent({ job, runsCount: 1 }, '/jobs/1/runs?page=1&size=1')
 
     userEvent.click(getByRole('button', { name: /next-page/i }))
 
diff --git a/src/screens/Job/TabRuns.test.tsx b/src/screens/Job/TabRuns.test.tsx
index fc36e335..a46769c0 100644
--- a/src/screens/Job/TabRuns.test.tsx
+++ b/src/screens/Job/TabRuns.test.tsx
@@ -27,7 +27,7 @@ describe('TabRuns', () => {
           Run Page
         </Route>
       </>,
-      { initialEntries: [`/jobs/1/runs?page=${page}&per=${per}`] },
+      { initialEntries: [`/jobs/1/runs?page=${page}&size=${per}`] },
     )
   }
 
diff --git a/src/screens/Job/TabRuns.tsx b/src/screens/Job/TabRuns.tsx
index 88feba10..3d9ab83e 100644
--- a/src/screens/Job/TabRuns.tsx
+++ b/src/screens/Job/TabRuns.tsx
@@ -20,7 +20,7 @@ export const TabRuns: React.FC<Props> = ({ fetchMore, job }) => {
     pageSize: number
   }>({
     page: parseInt(params.get('page') || '1', 10),
-    pageSize: parseInt(params.get('per') || '10', 10),
+    pageSize: parseInt(params.get('size') || '10', 10),
   })
 
   React.useEffect(() => {