diff --git a/configure b/configure
index 05e8a5999e..6deafb2372 100755
--- a/configure
+++ b/configure
@@ -331,6 +331,7 @@ echo "  --cc=CC                  use C compiler CC [$cc]"
 echo "  --make=MAKE              use specified make [$make]"
 echo "  --static                 enable static build [$static]"
 echo "  --enable-mingw32         enable Win32 cross compilation with mingw32"
+echo "  --enable-adlib           enable Adlib emulation"
 echo "  --enable-fmod            enable FMOD audio output driver"
 echo "  --fmod-lib               path to FMOD library"
 echo "  --fmod-inc               path to FMOD includes"