diff --git a/src/tests/playwright/pages/perf-gain.html b/src/tests/playwright/pages/perf-gain.html
index f2bb9ecf3..5ba31882a 100644
--- a/src/tests/playwright/pages/perf-gain.html
+++ b/src/tests/playwright/pages/perf-gain.html
@@ -29,7 +29,7 @@
         const leftChannelFloat32Array = await testResult;
         let numberOfAcceptableSamples = 0;
         for (let i = 0; i < leftChannelFloat32Array.length; i++) {
-          numberOfAcceptableSamples += beCloseTo(leftChannelFloat32Array[i], 1, 0);
+          numberOfAcceptableSamples += beCloseTo(leftChannelFloat32Array[i], 1, 0) ? 1 : 0;
         }
         console.info('% match:', numberOfAcceptableSamples / leftChannelFloat32Array.length);