diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/EquivalentExpressions.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/EquivalentExpressions.scala
index d03dd53f31e6d..a26c19903186a 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/EquivalentExpressions.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/EquivalentExpressions.scala
@@ -120,6 +120,7 @@ class EquivalentExpressions {
   // For some special expressions we cannot just recurse into all of its children, but we can
   // recursively add the common expressions shared between all of its children.
   private def commonChildrenToRecurse(expr: Expression): Seq[Seq[Expression]] = expr match {
+    case _: CodegenFallback => Nil
     case i: If => Seq(Seq(i.trueValue, i.falseValue))
     case c: CaseWhen =>
       // We look at subexpressions in conditions and values of `CaseWhen` separately. It is