diff --git a/configure.ac b/configure.ac
index 290afd0af..5bdfcecde 100644
--- a/configure.ac
+++ b/configure.ac
@@ -532,6 +532,8 @@ AC_CONFIG_FILES([Makefile
                  src/exchangedb/Makefile
                  src/exchange-tools/Makefile
                  src/extensions/Makefile
+                 src/extensions/age_restriction/Makefile
+                 src/extensions/auction_brandt/Makefile
                  src/lib/Makefile
                  src/kyclogic/Makefile
                  src/testing/Makefile