diff --git a/src/Interpreters/Cache/FileCacheKey.cpp b/src/Interpreters/Cache/FileCacheKey.cpp
index 360a9df7ad8..75a8ac2934e 100644
--- a/src/Interpreters/Cache/FileCacheKey.cpp
+++ b/src/Interpreters/Cache/FileCacheKey.cpp
@@ -35,7 +35,7 @@ FileCacheKey FileCacheKey::random()
 FileCacheKey FileCacheKey::fromKeyString(const std::string & key_str)
 {
     if (key_str.size() != 32)
-        throw Exception(ErrorCodes::BAD_ARGUMENTS, "Invalid key: {}", key_str);
+        throw Exception(ErrorCodes::BAD_ARGUMENTS, "Invalid cache key hex: {}", key_str);
     return FileCacheKey(unhexUInt<UInt128>(key_str.data()));
 }
 
diff --git a/tests/queries/0_stateless/02808_filesystem_cache_drop_query.sh b/tests/queries/0_stateless/02808_filesystem_cache_drop_query.sh
index f5670f1261e..4335bc34a28 100755
--- a/tests/queries/0_stateless/02808_filesystem_cache_drop_query.sh
+++ b/tests/queries/0_stateless/02808_filesystem_cache_drop_query.sh
@@ -24,7 +24,7 @@ $CLICKHOUSE_CLIENT --query_id "$query_id" --query "SELECT * FROM test FORMAT Nul
 
 $CLICKHOUSE_CLIENT -nm --query """
 SYSTEM DROP FILESYSTEM CACHE '$disk_name' KEY kek;
-""" 2>&1 | grep -q "Invalid key: kek" && echo "OK" || echo "FAIL"
+""" 2>&1 | grep -q "Invalid cache key hex: kek" && echo "OK" || echo "FAIL"
 
 ${CLICKHOUSE_CLIENT} -q " system flush logs"