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-rw-r--r--src/nvim/api/vim.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/nvim/api/vim.c b/src/nvim/api/vim.c
index 6280038d1a..d027eca59a 100644
--- a/src/nvim/api/vim.c
+++ b/src/nvim/api/vim.c
@@ -364,7 +364,7 @@ String nvim_command_output(String command, Error *err)
};
// redir usually (except :echon) prepends a newline.
if (s.data[0] == '\n') {
- memmove(s.data, s.data + 1, s.size);
+ memmove(s.data, s.data + 1, s.size - 1);
s.data[s.size - 1] = '\0';
s.size = s.size - 1;
}