diff --git a/src/DynareBison.yy b/src/DynareBison.yy
index 8c01230c1c49edc2e3c835ac6f8e9898f17c0fbe..1daf7f1b093305f7c89b9af86ea88c4667598539 100644
--- a/src/DynareBison.yy
+++ b/src/DynareBison.yy
@@ -17,7 +17,7 @@
  * along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-%skeleton "lalr1.cc"
+%language "c++"
 %require "2.5"
 %defines
 
diff --git a/src/macro/MacroBison.yy b/src/macro/MacroBison.yy
index 43f8354af240c261451248247a1953e01bed98a2..aac8aaca679473712cd1ae64560ed536daf3f4b2 100644
--- a/src/macro/MacroBison.yy
+++ b/src/macro/MacroBison.yy
@@ -17,7 +17,7 @@
  * along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-%skeleton "lalr1.cc"
+%language "c++"
 %require "2.5"
 %defines