diff --git a/addons/addon-fit/src/FitAddon.ts b/addons/addon-fit/src/FitAddon.ts
index a1ef53e74..87b21e99e 100644
--- a/addons/addon-fit/src/FitAddon.ts
+++ b/addons/addon-fit/src/FitAddon.ts
@@ -48,10 +48,7 @@ export class FitAddon implements ITerminalAddon, IFitApi {
       return;
     }
 
-    // Force a full render
-    if (this._terminal.rows !== dims.rows || this._terminal.cols !== dims.cols) {
-      this._terminal.resize(dims.cols, dims.rows);
-    }
+    this._terminal.resize(dims.cols, dims.rows);
   }
 
   public proposeDimensions(): ITerminalDimensions | undefined {
diff --git a/addons/addon-fit/test/FitAddon.test.ts b/addons/addon-fit/test/FitAddon.test.ts
index a8a2d8bbe..6a7c41fa8 100644
--- a/addons/addon-fit/test/FitAddon.test.ts
+++ b/addons/addon-fit/test/FitAddon.test.ts
@@ -119,6 +119,17 @@ test.describe('FitAddon', () => {
       strictEqual(await ctx.proxy.cols, 2);
       strictEqual(await ctx.proxy.rows, 1);
     });
+
+    test('same dimensions', async function(): Promise<any> {
+      await setDimensions();
+      await ctx.page.evaluate(`window.fit.fit()`);
+      const cols: number = await ctx.proxy.cols;
+      const rows: number = await ctx.proxy.rows;
+      // Calling fit() again at the same container size should not throw
+      await ctx.page.evaluate(`window.fit.fit()`);
+      strictEqual(await ctx.proxy.cols, cols);
+      strictEqual(await ctx.proxy.rows, rows);
+    });
   });
 });