diff --git a/dbms/include/DB/Columns/ColumnConst.h b/dbms/include/DB/Columns/ColumnConst.h
index d04002c84ba..6ddd4bafd52 100644
--- a/dbms/include/DB/Columns/ColumnConst.h
+++ b/dbms/include/DB/Columns/ColumnConst.h
@@ -127,8 +127,8 @@ typedef ColumnConst<Array> ColumnConstArray;
 template <typename T> ColumnConst<T>::ColumnConst(size_t s_, const T & data_) : s(s_), data(data_) {}
 template <typename T> ColumnConst<T>::ColumnConst(size_t s_, const T & data_, DataTypePtr nested_type_) { throw Exception("Can't create non-array ColumnConst with nested type", ErrorCodes::LOGICAL_ERROR); }
 
-template <> ColumnConst<Array>::ColumnConst(size_t s_, const Array & data_) { throw Exception("Can't create ColumnConst<Array> without nested type", ErrorCodes::LOGICAL_ERROR); }
-template <> ColumnConst<Array>::ColumnConst(size_t s_, const Array & data_, DataTypePtr nested_type_) : s(s_), data(data_), nested_type(nested_type_) {}
+template <> ColumnConst<Array>::ColumnConst(size_t s_, const Array & data_);
+template <> ColumnConst<Array>::ColumnConst(size_t s_, const Array & data_, DataTypePtr nested_type_);
 
 
 template <typename T> ColumnPtr ColumnConst<T>::convertToFullColumn() const
diff --git a/dbms/src/Columns/ColumnConst.cpp b/dbms/src/Columns/ColumnConst.cpp
index 97f820d2e09..276b4d3cea4 100644
--- a/dbms/src/Columns/ColumnConst.cpp
+++ b/dbms/src/Columns/ColumnConst.cpp
@@ -6,6 +6,10 @@
 
 namespace DB
 {
+	
+template <> ColumnConst<Array>::ColumnConst(size_t s_, const Array & data_) { throw Exception("Can't create ColumnConst<Array> without nested type", ErrorCodes::LOGICAL_ERROR); }
+template <> ColumnConst<Array>::ColumnConst(size_t s_, const Array & data_, DataTypePtr nested_type_) : s(s_), data(data_), nested_type(nested_type_) {}
+
 
 template <> ColumnPtr ColumnConst<String>::convertToFullColumn() const
 {
@@ -48,4 +52,5 @@ template <> ColumnPtr ColumnConst<Array>::convertToFullColumn() const
 	return res;
 }
 
+
 }