diff --git a/src/auto/configure b/src/auto/configure
index 9fd6888..94f0b64 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -5435,7 +5435,7 @@
 if ${vi_cv_version_luajit+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-   vi_cv_version_luajit=`${vi_cv_path_luajit} -v 2>&1 | sed 's/LuaJIT \([0-9.]*\)\.[0-9]\(-[a-z0-9]*\)* .*/\1/'`
+   vi_cv_version_luajit=`${vi_cv_path_luajit} -v 2>&1 | sed 's/LuaJIT \([0-9.]*\)\.[0-9]\(-\?[a-z0-9]*\)* .*/\1/'`
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $vi_cv_version_luajit" >&5
 $as_echo "$vi_cv_version_luajit" >&6; }
diff --git a/src/configure.ac b/src/configure.ac
index cefd0c3..6813d76 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -638,7 +638,7 @@
       if test "X$vi_cv_path_luajit" != "X"; then
 	dnl -- find LuaJIT version
 	AC_CACHE_CHECK(LuaJIT version, vi_cv_version_luajit,
-	[ vi_cv_version_luajit=`${vi_cv_path_luajit} -v 2>&1 | sed 's/LuaJIT \([[0-9.]]*\)\.[[0-9]]\(-[[a-z0-9]]*\)* .*/\1/'` ])
+       [ vi_cv_version_luajit=`${vi_cv_path_luajit} -v 2>&1 | sed 's/LuaJIT \([[0-9.]]*\)\.[[0-9]]\(-\?[[a-z0-9]]*\)* .*/\1/'` ])
 	AC_CACHE_CHECK(Lua version of LuaJIT, vi_cv_version_lua_luajit,
 	[ vi_cv_version_lua_luajit=`${vi_cv_path_luajit} -e "print(_VERSION)" | sed 's/.* //'` ])
 	vi_cv_path_lua="$vi_cv_path_luajit"
diff --git a/src/version.c b/src/version.c
index 05d6b05..eb65fc1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1787,
+/**/
     1786,
 /**/
     1785,