diff --git a/packages/tanstack-table-search-params/src/encoder-decoder/pagination.test.ts b/packages/tanstack-table-search-params/src/encoder-decoder/pagination.test.ts
index 58a67b0..2efb101 100644
--- a/packages/tanstack-table-search-params/src/encoder-decoder/pagination.test.ts
+++ b/packages/tanstack-table-search-params/src/encoder-decoder/pagination.test.ts
@@ -15,7 +15,7 @@ describe("pagination", () => {
       {
         name: "basic",
         pagination: { pageIndex: 2, pageSize: 50 },
-        want: { pageIndex: "2", pageSize: "50" },
+        want: { pageIndex: "3", pageSize: "50" },
       },
       {
         name: "default pageIndex and pageSize",
@@ -30,7 +30,7 @@ describe("pagination", () => {
       {
         name: "default pageSize",
         pagination: { pageIndex: 2, pageSize: defaultPagination.pageSize },
-        want: { pageIndex: "2", pageSize: undefined },
+        want: { pageIndex: "3", pageSize: undefined },
       },
       {
         name: "0 pageIndex and pageSize",
@@ -45,7 +45,7 @@ describe("pagination", () => {
       {
         name: "0 pageSize",
         pagination: { pageIndex: 2, pageSize: 0 },
-        want: { pageIndex: "2", pageSize: "0" },
+        want: { pageIndex: "3", pageSize: "0" },
       },
     ])("$name", ({ pagination, want }) =>
       expect(encodePagination(pagination)).toEqual(want),
@@ -60,7 +60,7 @@ describe("pagination", () => {
       {
         name: "basic",
         queryValues: { pageIndex: "2", pageSize: "25" },
-        want: { pageIndex: 2, pageSize: 25 },
+        want: { pageIndex: 1, pageSize: 25 },
       },
       {
         name: "invalid pageIndex and pageSize",
@@ -75,7 +75,7 @@ describe("pagination", () => {
       {
         name: "invalid pageSize",
         queryValues: { pageIndex: "2", pageSize: "foo" },
-        want: { pageIndex: 2, pageSize: defaultPagination.pageSize },
+        want: { pageIndex: 1, pageSize: defaultPagination.pageSize },
       },
       {
         name: "undefined pageIndex and pageSize",
@@ -85,7 +85,7 @@ describe("pagination", () => {
       {
         name: "undefined pageSize",
         queryValues: { pageIndex: "2", pageSize: undefined },
-        want: { pageIndex: 2, pageSize: defaultPagination.pageSize },
+        want: { pageIndex: 1, pageSize: defaultPagination.pageSize },
       },
       {
         name: "undefined pageIndex",
@@ -105,7 +105,7 @@ describe("pagination", () => {
       {
         name: "empty pageSize",
         queryValues: { pageIndex: "2", pageSize: "" },
-        want: { pageIndex: 2, pageSize: defaultPagination.pageSize },
+        want: { pageIndex: 1, pageSize: defaultPagination.pageSize },
       },
       {
         name: "0 pageIndex and pageSize",
@@ -120,7 +120,7 @@ describe("pagination", () => {
       {
         name: "pageSize is 0",
         queryValues: { pageIndex: "2", pageSize: "0" },
-        want: { pageIndex: 2, pageSize: 0 },
+        want: { pageIndex: 1, pageSize: 0 },
       },
     ])("$name", ({ queryValues, want }) =>
       expect(decodePagination(queryValues)).toEqual(want),
diff --git a/packages/tanstack-table-search-params/src/encoder-decoder/pagination.ts b/packages/tanstack-table-search-params/src/encoder-decoder/pagination.ts
index 8e77807..d44c5fd 100644
--- a/packages/tanstack-table-search-params/src/encoder-decoder/pagination.ts
+++ b/packages/tanstack-table-search-params/src/encoder-decoder/pagination.ts
@@ -15,7 +15,7 @@ export const encodePagination = (
   pageIndex:
     pagination.pageIndex === defaultPagination.pageIndex
       ? undefined
-      : pagination.pageIndex.toString(),
+      : (pagination.pageIndex + 1).toString(),
   pageSize:
     pagination.pageSize === defaultPagination.pageSize
       ? undefined
@@ -30,9 +30,9 @@ export const decodePagination = (queryValues: {
   const pageSize = Number(queryValues.pageSize);
   return {
     pageIndex:
-      queryValues.pageIndex === "" || Number.isNaN(pageIndex)
+      queryValues.pageIndex === "" || Number.isNaN(pageIndex) || pageIndex < 1
         ? defaultPagination.pageIndex
-        : pageIndex,
+        : pageIndex - 1,
     pageSize:
       queryValues.pageSize === "" || Number.isNaN(pageSize)
         ? defaultPagination.pageSize
diff --git a/packages/tanstack-table-search-params/src/tests/next-pages-router/pagination.test.ts b/packages/tanstack-table-search-params/src/tests/next-pages-router/pagination.test.ts
index 192edd5..39cc368 100644
--- a/packages/tanstack-table-search-params/src/tests/next-pages-router/pagination.test.ts
+++ b/packages/tanstack-table-search-params/src/tests/next-pages-router/pagination.test.ts
@@ -146,7 +146,7 @@ describe("pagination", () => {
           pageIndex: 1,
           pageSize: 20,
         }) ?? {
-          [paramName.pageIndex]: "1",
+          [paramName.pageIndex]: "2",
           [paramName.pageSize]: "20",
         },
       );
diff --git a/packages/tanstack-table-search-params/src/tests/pagination.test.ts b/packages/tanstack-table-search-params/src/tests/pagination.test.ts
index 72f988c..cea59b7 100644
--- a/packages/tanstack-table-search-params/src/tests/pagination.test.ts
+++ b/packages/tanstack-table-search-params/src/tests/pagination.test.ts
@@ -147,7 +147,7 @@ describe("pagination", () => {
           pageIndex: 1,
           pageSize: 20,
         }) ?? {
-          [paramName.pageIndex]: "1",
+          [paramName.pageIndex]: "2",
           [paramName.pageSize]: "20",
         },
       );