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-rw-r--r--src/debugger.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/debugger.c b/src/debugger.c
index a04a078361..393e11e414 100644
--- a/src/debugger.c
+++ b/src/debugger.c
@@ -287,7 +287,8 @@ do_debug(char_u *cmd)
}
vim_free(cmdline);
- --RedrawingDisabled;
+ if (RedrawingDisabled > 0)
+ --RedrawingDisabled;
--no_wait_return;
redraw_all_later(UPD_NOT_VALID);
need_wait_return = FALSE;