diff --git a/include/sqlpp11/dynamic_select_column_list.h b/include/sqlpp11/dynamic_select_column_list.h
new file mode 100644
index 00000000..daf995f9
--- /dev/null
+++ b/include/sqlpp11/dynamic_select_column_list.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2013-2015, Roland Bock
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *   Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ *   Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SQLPP_SELECT_COLUMN_LIST_FWD_H
+#define SQLPP_SELECT_COLUMN_LIST_FWD_H
+
+#include <vector>
+#include <string>
+#include <sqlpp11/named_interpretable.h>
+
+namespace sqlpp
+{
+  template <typename Db>
+  struct dynamic_select_column_list
+  {
+    using _names_t = std::vector<std::string>;
+    std::vector<named_interpretable_t<Db>> _dynamic_columns;
+    _names_t _dynamic_expression_names;
+
+    template <typename Expr>
+    void emplace_back(Expr expr)
+    {
+      _dynamic_expression_names.push_back(name_of<Expr>::char_ptr());
+      _dynamic_columns.emplace_back(expr);
+    }
+
+    bool empty() const
+    {
+      return _dynamic_columns.empty();
+    }
+  };
+
+  template <>
+  struct dynamic_select_column_list<void>
+  {
+    struct _names_t
+    {
+      static constexpr size_t size()
+      {
+        return 0;
+      }
+    };
+    _names_t _dynamic_expression_names;
+
+    static constexpr bool empty()
+    {
+      return true;
+    }
+  };
+}
+
+#endif
diff --git a/include/sqlpp11/result_row.h b/include/sqlpp11/result_row.h
index ba032005..c583280d 100644
--- a/include/sqlpp11/result_row.h
+++ b/include/sqlpp11/result_row.h
@@ -29,6 +29,7 @@
 
 #include <map>
 #include <sqlpp11/result_row_fwd.h>
+#include <sqlpp11/dynamic_select_column_list.h>
 #include <sqlpp11/field_spec.h>
 #include <sqlpp11/no_name.h>
 #include <sqlpp11/data_types/text.h>
@@ -151,9 +152,7 @@ namespace sqlpp
     {
     }
 
-    template <typename DynamicNames>
-    result_row_t(const DynamicNames&)
-        : _impl(), _is_valid(false)
+    result_row_t(const typename dynamic_select_column_list<void>::_names_t&) : _impl(), _is_valid(false)
     {
     }
 
diff --git a/include/sqlpp11/select_column_list.h b/include/sqlpp11/select_column_list.h
index d5ee8c05..2b903fb1 100644
--- a/include/sqlpp11/select_column_list.h
+++ b/include/sqlpp11/select_column_list.h
@@ -29,6 +29,7 @@
 
 #include <tuple>
 #include <sqlpp11/result_row.h>
+#include <sqlpp11/dynamic_select_column_list.h>
 #include <sqlpp11/table.h>
 #include <sqlpp11/data_types/no_value.h>
 #include <sqlpp11/field_spec.h>
@@ -65,44 +66,6 @@ namespace sqlpp
     };
   }
 
-  template <typename Db>
-  struct dynamic_select_column_list
-  {
-    using _names_t = std::vector<std::string>;
-    std::vector<named_interpretable_t<Db>> _dynamic_columns;
-    _names_t _dynamic_expression_names;
-
-    template <typename Expr>
-    void emplace_back(Expr expr)
-    {
-      _dynamic_expression_names.push_back(name_of<Expr>::char_ptr());
-      _dynamic_columns.emplace_back(expr);
-    }
-
-    bool empty() const
-    {
-      return _dynamic_columns.empty();
-    }
-  };
-
-  template <>
-  struct dynamic_select_column_list<void>
-  {
-    struct _names_t
-    {
-      static constexpr size_t size()
-      {
-        return 0;
-      }
-    };
-    _names_t _dynamic_expression_names;
-
-    static constexpr bool empty()
-    {
-      return true;
-    }
-  };
-
   template <typename Context, typename Db>
   struct serializer_t<Context, dynamic_select_column_list<Db>>
   {