diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 9dac9bf3a7..bdd152dfd7 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -2370,7 +2370,8 @@ do_one_cmd(
 	goto doend;
     }
     /* Check for wrong commands. */
-    if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
+    if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78
+	    && !IS_USER_CMDIDX(ea.cmdidx))
     {
 	errormsg = uc_fun_cmd();
 	goto doend;
diff --git a/src/testdir/test_vimscript.vim b/src/testdir/test_vimscript.vim
index c09e2343b6..c0736f2baa 100644
--- a/src/testdir/test_vimscript.vim
+++ b/src/testdir/test_vimscript.vim
@@ -1400,6 +1400,15 @@ func Test_delfunction_force()
     delfunc! Xtest
 endfunc
 
+" Test using bang after user command				    {{{1
+func Test_user_command_with_bang()
+    command -bang Nieuw let nieuw = 1
+    Ni!
+    call assert_equal(1, nieuw)
+    unlet nieuw
+    delcommand Nieuw
+endfunc
+
 "-------------------------------------------------------------------------------
 " Modelines								    {{{1
 " vim: ts=8 sw=4 tw=80 fdm=marker
diff --git a/src/version.c b/src/version.c
index 533660fa05..fd57e48aca 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    656,
 /**/
     655,
 /**/