diff --git a/demo/demo41.ts b/demo/demo41.ts
new file mode 100644
index 0000000000..fa573b674b
--- /dev/null
+++ b/demo/demo41.ts
@@ -0,0 +1,48 @@
+// Multiple cells merging in the same table
+// Import from 'docx' rather than '../build' if you install from npm
+import * as fs from "fs";
+import { Document, Packer, Paragraph } from "../build";
+
+const doc = new Document();
+
+const table = doc.createTable(13, 6);
+let row = 0;
+table.getCell(row, 0).addContent(new Paragraph("0,0"));
+table.getCell(row, 1).addContent(new Paragraph("0,1"));
+table.getCell(row, 3).addContent(new Paragraph("0,3"));
+table.getCell(row, 4).addContent(new Paragraph("0,4"));
+table.getRow(row).mergeCells(4, 5);
+table.getRow(row).mergeCells(1, 2);
+row = 1;
+table.getCell(row, 0).addContent(new Paragraph("1,0"));
+table.getCell(row, 2).addContent(new Paragraph("1,2"));
+table.getCell(row, 4).addContent(new Paragraph("1,4"));
+table.getRow(row).mergeCells(4, 5);
+table.getRow(row).mergeCells(2, 3);
+table.getRow(row).mergeCells(0, 1);
+
+row = 2;
+table.getCell(row, 0).addContent(new Paragraph("2,0"));
+table.getCell(row, 1).addContent(new Paragraph("2,1"));
+table.getCell(row, 2).addContent(new Paragraph("2,2"));
+table.getCell(row, 3).addContent(new Paragraph("2,3"));
+table.getCell(row, 4).addContent(new Paragraph("2,4"));
+table.getRow(row).mergeCells(4, 5);
+table.getRow(row).mergeCells(1, 2);
+row = 3;
+table.getCell(row, 0).addContent(new Paragraph("3,0"));
+table.getCell(row, 1).addContent(new Paragraph("3,1"));
+table.getCell(row, 2).addContent(new Paragraph("3,2"));
+table.getCell(row, 3).addContent(new Paragraph("3,3"));
+table.getCell(row, 4).addContent(new Paragraph("3,4"));
+table.getCell(row, 5).addContent(new Paragraph("3,5"));
+row = 4;
+table.getCell(row, 0).addContent(new Paragraph("4,0"));
+table.getCell(row, 5).addContent(new Paragraph("4,5"));
+table.getRow(row).mergeCells(0, 4);
+
+const packer = new Packer();
+
+packer.toBuffer(doc).then((buffer) => {
+    fs.writeFileSync("My Document.docx", buffer);
+});
diff --git a/src/file/document/document.spec.ts b/src/file/document/document.spec.ts
index 16c3b29f95..fb8831c381 100644
--- a/src/file/document/document.spec.ts
+++ b/src/file/document/document.spec.ts
@@ -78,9 +78,9 @@ describe("Document", () => {
                 .to.have.property("w:tbl")
                 .which.includes({
                     "w:tblGrid": [
-                        { "w:gridCol": [{ _attr: { "w:w": 1 } }] },
-                        { "w:gridCol": [{ _attr: { "w:w": 1 } }] },
-                        { "w:gridCol": [{ _attr: { "w:w": 1 } }] },
+                        { "w:gridCol": [{ _attr: { "w:w": 100 } }] },
+                        { "w:gridCol": [{ _attr: { "w:w": 100 } }] },
+                        { "w:gridCol": [{ _attr: { "w:w": 100 } }] },
                     ],
                 });
             expect(body[0]["w:tbl"].filter((x) => x["w:tr"])).to.have.length(2);
diff --git a/src/file/table/table.spec.ts b/src/file/table/table.spec.ts
index 2d5388725c..05a2c2e364 100644
--- a/src/file/table/table.spec.ts
+++ b/src/file/table/table.spec.ts
@@ -95,7 +95,7 @@ describe("Table", () => {
                 "w:tbl": [
                     { "w:tblPr": [DEFAULT_TABLE_PROPERTIES] },
                     {
-                        "w:tblGrid": [{ "w:gridCol": [{ _attr: { "w:w": 1 } }] }, { "w:gridCol": [{ _attr: { "w:w": 1 } }] }],
+                        "w:tblGrid": [{ "w:gridCol": [{ _attr: { "w:w": 100 } }] }, { "w:gridCol": [{ _attr: { "w:w": 100 } }] }],
                     },
                     { "w:tr": [{ "w:trPr": [] }, cell, cell] },
                     { "w:tr": [{ "w:trPr": [] }, cell, cell] },
@@ -137,7 +137,7 @@ describe("Table", () => {
                 "w:tbl": [
                     { "w:tblPr": [DEFAULT_TABLE_PROPERTIES] },
                     {
-                        "w:tblGrid": [{ "w:gridCol": [{ _attr: { "w:w": 1 } }] }, { "w:gridCol": [{ _attr: { "w:w": 1 } }] }],
+                        "w:tblGrid": [{ "w:gridCol": [{ _attr: { "w:w": 100 } }] }, { "w:gridCol": [{ _attr: { "w:w": 100 } }] }],
                     },
                     { "w:tr": [{ "w:trPr": [] }, cell("A1"), cell("B1")] },
                     { "w:tr": [{ "w:trPr": [] }, cell("A2"), cell("B2")] },
@@ -166,7 +166,7 @@ describe("Table", () => {
                 "w:tbl": [
                     { "w:tblPr": [DEFAULT_TABLE_PROPERTIES] },
                     {
-                        "w:tblGrid": [{ "w:gridCol": [{ _attr: { "w:w": 1 } }] }, { "w:gridCol": [{ _attr: { "w:w": 1 } }] }],
+                        "w:tblGrid": [{ "w:gridCol": [{ _attr: { "w:w": 100 } }] }, { "w:gridCol": [{ _attr: { "w:w": 100 } }] }],
                     },
                     { "w:tr": [{ "w:trPr": [] }, cell("A1"), cell("B1")] },
                     { "w:tr": [{ "w:trPr": [] }, cell("A2"), cell("B2")] },
diff --git a/src/file/table/table.ts b/src/file/table/table.ts
index 6b81d3991f..a4f8f5ac28 100644
--- a/src/file/table/table.ts
+++ b/src/file/table/table.ts
@@ -32,7 +32,7 @@ export class Table extends XmlComponent {
                   table will make it look reasonable, as the layout
                   algorithm will expand columns to fit its content
                  */
-                gridCols.push(1);
+                gridCols.push(100);
             }
             this.grid = new TableGrid(gridCols);
         }