diff --git a/src/Interpreters/InterpreterAlterQuery.cpp b/src/Interpreters/InterpreterAlterQuery.cpp
index e92844885e4..5f7c54e427f 100644
--- a/src/Interpreters/InterpreterAlterQuery.cpp
+++ b/src/Interpreters/InterpreterAlterQuery.cpp
@@ -6,6 +6,7 @@
 #include <Databases/IDatabase.h>
 #include <Interpreters/AddDefaultDatabaseVisitor.h>
 #include <Interpreters/Context.h>
+#include <Interpreters/FunctionNameNormalizer.h>
 #include <Interpreters/MutationsInterpreter.h>
 #include <Interpreters/QueryLog.h>
 #include <Interpreters/executeDDLQueryOnCluster.h>
@@ -44,6 +45,7 @@ InterpreterAlterQuery::InterpreterAlterQuery(const ASTPtr & query_ptr_, ContextP
 
 BlockIO InterpreterAlterQuery::execute()
 {
+    FunctionNameNormalizer().visit(query_ptr.get());
     const auto & alter = query_ptr->as<ASTAlterQuery &>();
     if (alter.alter_object == ASTAlterQuery::AlterObjectType::DATABASE)
         return executeToDatabase(alter);
diff --git a/src/Parsers/ParserAlterQuery.cpp b/src/Parsers/ParserAlterQuery.cpp
index ce45d40b641..9a3c1dd8bed 100644
--- a/src/Parsers/ParserAlterQuery.cpp
+++ b/src/Parsers/ParserAlterQuery.cpp
@@ -794,6 +794,10 @@ bool ParserAlterCommand::parseImpl(Pos & pos, ASTPtr & node, Expected & expected
         command->children.push_back(command->constraint_decl);
     if (command->constraint)
         command->children.push_back(command->constraint);
+    if (command->projection_decl)
+        command->children.push_back(command->projection_decl);
+    if (command->projection)
+        command->children.push_back(command->projection);
     if (command->predicate)
         command->children.push_back(command->predicate);
     if (command->update_assignments)
diff --git a/tests/queries/0_stateless/01705_normalize_create_alter_function_names.reference b/tests/queries/0_stateless/01705_normalize_create_alter_function_names.reference
new file mode 100644
index 00000000000..00c77f1500c
--- /dev/null
+++ b/tests/queries/0_stateless/01705_normalize_create_alter_function_names.reference
@@ -0,0 +1,2 @@
+CREATE TABLE default.x\n(\n    `i` Int32,\n    INDEX mm rand() TYPE minmax GRANULARITY 1,\n    INDEX nn rand() TYPE minmax GRANULARITY 1,\n    PROJECTION p\n    (\n        SELECT max(i)\n    ),\n    PROJECTION p2\n    (\n        SELECT min(i)\n    )\n)\nENGINE = ReplicatedMergeTree(\'/clickhouse/tables/default/x\', \'r\')\nORDER BY i\nSETTINGS index_granularity = 8192
+metadata format version: 1\ndate column: \nsampling expression: \nindex granularity: 8192\nmode: 0\nsign column: \nprimary key: i\ndata format version: 1\npartition key: \nindices: mm rand() TYPE minmax GRANULARITY 1, nn rand() TYPE minmax GRANULARITY 1\nprojections: p(SELECT max(i)), p2(SELECT min(i))\ngranularity bytes: 10485760\n
diff --git a/tests/queries/0_stateless/01705_normalize_create_alter_function_names.sql b/tests/queries/0_stateless/01705_normalize_create_alter_function_names.sql
new file mode 100644
index 00000000000..59993f40774
--- /dev/null
+++ b/tests/queries/0_stateless/01705_normalize_create_alter_function_names.sql
@@ -0,0 +1,13 @@
+-- Tags: zookeeper, no-replicated-database, no-parallel
+
+drop table if exists x;
+
+create table x(i int, index mm RAND() type minmax granularity 1, projection p (select MAX(i))) engine ReplicatedMergeTree('/clickhouse/tables/{database}/x', 'r') order by i;
+
+alter table x add index nn RAND() type minmax granularity 1, add projection p2 (select MIN(i));
+
+show create x;
+
+select value from system.zookeeper WHERE name = 'metadata' and path = '/clickhouse/tables/'||currentDatabase()||'/x';
+
+drop table x;