diff --git a/config/lyxinclude.m4 b/config/lyxinclude.m4
index ed12f3d630..d915d5c7bb 100644
--- a/config/lyxinclude.m4
+++ b/config/lyxinclude.m4
@@ -22,7 +22,7 @@ AC_ARG_ENABLE(build-type,
     *) AC_ERROR([Bad build type specification \"$enableval\". Please use one of rel(ease), pre(release), dev(elopment), prof(iling), or gprof]);;
    esac],
   [case AC_PACKAGE_VERSION in
-    *svn*) build_type=development;;
+    *svn*|*dev*) build_type=development;;
     *pre*|*alpha*|*beta*|*rc*) build_type=prerelease;;
     *) build_type=release ;;
    esac])