diff --git a/css/css-cascade/revert-val-006.html b/css/css-cascade/revert-val-006.html
index 2b238f6d7e53b3..2f7d5811990ab0 100644
--- a/css/css-cascade/revert-val-006.html
+++ b/css/css-cascade/revert-val-006.html
@@ -11,7 +11,7 @@
   }
   #h1 {
     margin-top: 0px;
-    animation: test linear 1000s -500s;
+    animation: test linear 1000s -500s paused;
   }
 </style>
 <h1 id=h1></h1>
diff --git a/css/css-properties-values-api/animation/custom-property-animation-used-in-shorthand.html b/css/css-properties-values-api/animation/custom-property-animation-used-in-shorthand.html
index 63f7fd3fe79bd3..70975dfa3780e4 100644
--- a/css/css-properties-values-api/animation/custom-property-animation-used-in-shorthand.html
+++ b/css/css-properties-values-api/animation/custom-property-animation-used-in-shorthand.html
@@ -17,7 +17,7 @@
 }
 
 #target {
-  animation: angle-animation 1000s linear -500s;
+  animation: angle-animation 1000s linear -500s paused;
   background: linear-gradient(var(--angle), black, white);
 }