1 files changed, 2 insertions, 1 deletions
diff --git a/vl.c b/vl.c
index 4a7d011..49778e7 100644
--- a/vl.c
+++ b/vl.c
@@ -3229,7 +3229,8 @@ int main(int argc, char **argv, char **envp)
                     if (*p == 'x') {
                         p++;
                         depth = strtol(p, (char **)&p, 10);
-                        if (depth != 8 && depth != 15 && depth != 16 &&
+                        if (depth != 1 && depth != 2 && depth != 4 &&
+                            depth != 8 && depth != 15 && depth != 16 &&
                             depth != 24 && depth != 32)
                             goto graphic_error;
                     } else if (*p == '\0') {