diff --git a/mysql-test/main/spatial_utility_function_collect.result b/mysql-test/main/spatial_utility_function_collect.result
index 5dd14a953091d..d74f5987645fa 100644
--- a/mysql-test/main/spatial_utility_function_collect.result
+++ b/mysql-test/main/spatial_utility_function_collect.result
@@ -122,3 +122,16 @@ GEOMETRYCOLLECTION(MULTIPOINT(5 0),MULTIPOINT(6 0))
 GEOMETRYCOLLECTION(MULTIPOINT(6 0),GEOMETRYCOLLECTION EMPTY)
 GEOMETRYCOLLECTION(GEOMETRYCOLLECTION EMPTY,GEOMETRYCOLLECTION EMPTY)
 DROP TABLE simple_table;
+#
+# MDEV-35102 CREATE TABLE AS SELECT ST_collect ... does not work
+#
+SELECT ST_astext(ST_collect(( POINTFROMTEXT(' POINT( 4 1 ) ') )));
+ST_astext(ST_collect(( POINTFROMTEXT(' POINT( 4 1 ) ') )))
+MULTIPOINT(4 1)
+CREATE TABLE tb1 AS SELECT (ST_collect(( POINTFROMTEXT(' POINT( 4 1 ) ') )) );
+SHOW CREATE TABLE tb1;
+Table	Create Table
+tb1	CREATE TABLE `tb1` (
+  `(ST_collect(( POINTFROMTEXT(' POINT( 4 1 ) ') )) )` geometry DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
+DROP TABLE tb1;
diff --git a/mysql-test/main/spatial_utility_function_collect.test b/mysql-test/main/spatial_utility_function_collect.test
index 5a68e02ebcdf8..3e638d1d4e081 100644
--- a/mysql-test/main/spatial_utility_function_collect.test
+++ b/mysql-test/main/spatial_utility_function_collect.test
@@ -189,3 +189,11 @@ PRECEDING AND CURRENT ROW)) AS geocollect  FROM simple_table;
 # SELECT CAST(ST_COLLECT(geo) AS DECIMAL ) FROM simple_table;
 
 DROP TABLE simple_table;
+
+--echo #
+--echo # MDEV-35102 CREATE TABLE AS SELECT ST_collect ... does not work
+--echo #
+SELECT ST_astext(ST_collect(( POINTFROMTEXT(' POINT( 4 1 ) ') )));
+CREATE TABLE tb1 AS SELECT (ST_collect(( POINTFROMTEXT(' POINT( 4 1 ) ') )) );
+SHOW CREATE TABLE tb1;
+DROP TABLE tb1;
diff --git a/sql/item_sum.cc b/sql/item_sum.cc
index d119a57ddcfd9..befcbb7138ee3 100644
--- a/sql/item_sum.cc
+++ b/sql/item_sum.cc
@@ -35,6 +35,7 @@
 #include "sql_parse.h"
 #include "sp_head.h"
 #include "item_sum.h"
+#include "sql_type_geom.h"
 
 /**
   Calculate the affordable RAM limit for structures like TREE or Unique
@@ -4803,6 +4804,20 @@ String *Item_func_collect::val_str(String *str)
 }
 
 
-Item *Item_func_collect::copy_or_same(THD *thd) {
+Item *Item_func_collect::copy_or_same(THD *thd)
+{
   return new (thd->mem_root) Item_func_collect(thd, is_distinct, this);
 }
+
+
+const Type_handler *Item_func_collect::type_handler() const
+{
+  return &type_handler_geometry;
+}
+
+
+bool Item_func_collect::fix_fields_impl(THD *thd,Item **)
+{
+  max_length= UINT_MAX32;
+  return FALSE;
+}
diff --git a/sql/item_sum.h b/sql/item_sum.h
index cd3a4108644e7..61c96361ce33c 100644
--- a/sql/item_sum.h
+++ b/sql/item_sum.h
@@ -2169,8 +2169,7 @@ class Item_func_collect : public Item_sum_str
   {
     return GEOMETRY_COLLECT_FUNC;
   }
-  const Type_handler *type_handler() const override
-  { return &type_handler_string; }
+  const Type_handler *type_handler() const override;
   String *val_str(String*str) override;
   LEX_CSTRING func_name_cstring() const override
   {
@@ -2185,10 +2184,7 @@ class Item_func_collect : public Item_sum_str
     return true;
   }
 
-  bool fix_fields_impl(THD *,Item **) override
-  {
-    return FALSE;
-  }
+  bool fix_fields_impl(THD *thd,Item **) override;
 
 public:
   Item_func_collect(THD *thd, bool is_distinct, Item *item_par);