diff --git a/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/AbstractFunctionTestCase.java b/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/AbstractFunctionTestCase.java
index 094ecc9bfe569..a4c5638ae815f 100644
--- a/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/AbstractFunctionTestCase.java
+++ b/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/AbstractFunctionTestCase.java
@@ -297,6 +297,7 @@ public final void testCrankyEvaluateBlockWithoutNulls() {
      *     input pattern contained only a single value.
      * </p>
      */
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/100820")
     public final void testCrankyEvaluateBlockWithoutNullsFloating() {
         assumeTrue("sometimes the cranky breaker silences warnings, just skip these cases", testCase.getExpectedWarnings() == null);
         try {