1 files changed, 1 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 15ef200a..24f0bc97 100644
--- a/configure.in
+++ b/configure.in
@@ -91,6 +91,7 @@ textscreen/examples/Makefile
 setup/Makefile
 man/Makefile
 src/Makefile
+opl/Makefile
 pcsound/Makefile
 src/resource.rc
 src/doom-screensaver.desktop