diff --git a/src/Analyzer/Passes/QueryAnalysisPass.cpp b/src/Analyzer/Passes/QueryAnalysisPass.cpp
index 4f24051df79..61e80b31ba5 100644
--- a/src/Analyzer/Passes/QueryAnalysisPass.cpp
+++ b/src/Analyzer/Passes/QueryAnalysisPass.cpp
@@ -3587,6 +3587,7 @@ ProjectionNames QueryAnalyzer::resolveFunction(QueryTreeNodePtr & node, Identifi
         in_subquery->getJoinTree() = exists_subquery_argument;
         in_subquery->getLimit() = std::make_shared<ConstantNode>(1UL, constant_data_type);
         in_subquery->resolveProjectionColumns({NameAndTypePair("1", constant_data_type)});
+        in_subquery->setIsSubquery(true);
 
         function_node_ptr = std::make_shared<FunctionNode>("in");
         function_node_ptr->getArguments().getNodes() = {std::make_shared<ConstantNode>(1UL, constant_data_type), in_subquery};
diff --git a/tests/queries/0_stateless/02477_exists_fuzz_43478.reference b/tests/queries/0_stateless/02477_exists_fuzz_43478.reference
new file mode 100644
index 00000000000..d00491fd7e5
--- /dev/null
+++ b/tests/queries/0_stateless/02477_exists_fuzz_43478.reference
@@ -0,0 +1 @@
+1
diff --git a/tests/queries/0_stateless/02477_exists_fuzz_43478.sql b/tests/queries/0_stateless/02477_exists_fuzz_43478.sql
new file mode 100644
index 00000000000..8ec876eb252
--- /dev/null
+++ b/tests/queries/0_stateless/02477_exists_fuzz_43478.sql
@@ -0,0 +1,3 @@
+create table test_rows_compact_part__fuzz_11 (x UInt32) engine = MergeTree order by x;
+insert into test_rows_compact_part__fuzz_11 select 1;
+select 1 from test_rows_compact_part__fuzz_11 where exists(select 1) settings allow_experimental_analyzer=1;