diff --git a/src/Processors/Formats/Impl/ParallelParsingInputFormat.cpp b/src/Processors/Formats/Impl/ParallelParsingInputFormat.cpp
index f295fe00299..7a3de9dca58 100644
--- a/src/Processors/Formats/Impl/ParallelParsingInputFormat.cpp
+++ b/src/Processors/Formats/Impl/ParallelParsingInputFormat.cpp
@@ -147,6 +147,13 @@ void ParallelParsingInputFormat::onBackgroundException(size_t offset)
 
 Chunk ParallelParsingInputFormat::generate()
 {
+    /// Delayed launching of segmenting thread
+    if (!parsing_started.exchange(true))
+    {
+        segmentator_thread = ThreadFromGlobalPool(
+            &ParallelParsingInputFormat::segmentatorThreadFunction, this, CurrentThread::getGroup());
+    }
+
     if (isCancelled() || parsing_finished)
     {
         /**
diff --git a/src/Processors/Formats/Impl/ParallelParsingInputFormat.h b/src/Processors/Formats/Impl/ParallelParsingInputFormat.h
index 559507055b9..dafaf9bed72 100644
--- a/src/Processors/Formats/Impl/ParallelParsingInputFormat.h
+++ b/src/Processors/Formats/Impl/ParallelParsingInputFormat.h
@@ -97,9 +97,6 @@ public:
         // bump into reader thread on wraparound.
         processing_units.resize(params.max_threads + 2);
 
-        segmentator_thread = ThreadFromGlobalPool(
-            &ParallelParsingInputFormat::segmentatorThreadFunction, this, CurrentThread::getGroup());
-
         LOG_TRACE(&Poco::Logger::get("ParallelParsingInputFormat"), "Parallel parsing is used");
     }
 
@@ -205,6 +202,7 @@ private:
 
     Poco::Event first_parser_finished;
 
+    std::atomic<bool> parsing_started{false};
     std::atomic<bool> parsing_finished{false};
 
     /// There are multiple "parsers", that's why we use thread pool.
diff --git a/tests/queries/0_stateless/01848_http_insert_segfault.reference b/tests/queries/0_stateless/01848_http_insert_segfault.reference
new file mode 100644
index 00000000000..587579af915
--- /dev/null
+++ b/tests/queries/0_stateless/01848_http_insert_segfault.reference
@@ -0,0 +1 @@
+Ok.
diff --git a/tests/queries/0_stateless/01848_http_insert_segfault.sh b/tests/queries/0_stateless/01848_http_insert_segfault.sh
new file mode 100755
index 00000000000..a263ded44eb
--- /dev/null
+++ b/tests/queries/0_stateless/01848_http_insert_segfault.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+ CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+ # shellcheck source=../shell_config.sh
+ . "$CUR_DIR"/../shell_config.sh
+
+ ${CLICKHOUSE_LOCAL} -q "select col1, initializeAggregation('argMaxState', col2, insertTime) as col2, now() as insertTime FROM generateRandom('col1 String, col2 Array(Float64)') LIMIT 1000000 FORMAT CSV"  | curl -s 'http://localhost:8123/?query=INSERT%20INTO%20non_existing_table%20SELECT%20col1%2C%20initializeAggregation(%27argMaxState%27%2C%20col2%2C%20insertTime)%20as%20col2%2C%20now()%20as%20insertTime%20FROM%20input(%27col1%20String%2C%20col2%20Array(Float64)%27)%20FORMAT%20CSV' --data-binary @- | grep -q "Table default.non_existing_table doesn't exist" && echo 'Ok.' || echo 'FAIL' ||:
+