diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 7d35c458490..d602cc4d2ba 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -306159,6 +306159,12 @@
      {}
     ]
    ],
+   "css/css-animations-1/animation-iteration-count-calc.html": [
+    [
+     "/css/css-animations-1/animation-iteration-count-calc.html",
+     {}
+    ]
+   ],
    "css/css-animations-1/animationevent-interface.html": [
     [
      "/css/css-animations-1/animationevent-interface.html",
@@ -474190,6 +474196,10 @@
    "812d8b618aaf90cf6d772b61d0eaed55848e4c20",
    "manual"
   ],
+  "css/css-animations-1/animation-iteration-count-calc.html": [
+   "e7558a046eb2856c666ba51c4208178b24706765",
+   "testharness"
+  ],
   "css/css-animations-1/animation-iteration-event.html": [
    "3aec5072660e45e332d5858c8870980d3a8db966",
    "manual"
diff --git a/tests/wpt/web-platform-tests/css/css-animations-1/animation-iteration-count-calc.html b/tests/wpt/web-platform-tests/css/css-animations-1/animation-iteration-count-calc.html
new file mode 100644
index 00000000000..44e1e96a589
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-animations-1/animation-iteration-count-calc.html
@@ -0,0 +1,15 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>CSS Test: Animation count accepts calc()</title>
+<link rel="author" name="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<link rel="help" href="https://drafts.csswg.org/css-values-3/#number-value">
+<link rel="help" href="https://drafts.csswg.org/css-animations/#animation-iteration-count">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="target" style="animation-iteration-count: calc(1 + 3)">
+<script>
+test(function() {
+  let target = document.getElementById("target");
+  assert_equals(getComputedStyle(target).animationIterationCount, "4")
+}, "calc() should be accepted in animation-iteration-count.");
+</script>
