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-rw-r--r--funcs/func_odbc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/funcs/func_odbc.c b/funcs/func_odbc.c
index fe7e9896d..13701873f 100644
--- a/funcs/func_odbc.c
+++ b/funcs/func_odbc.c
@@ -379,7 +379,7 @@ static int acf_odbc_read(struct ast_channel *chan, const char *cmd, char *s, cha
}
if (!ast_strlen_zero(colnames))
- strncat(colnames, ",", sizeof(colnames) - 1);
+ strncat(colnames, ",", sizeof(colnames) - strlen(colnames) - 1);
namelen = strlen(colnames);
/* Copy data, encoding '\' and ',' for the argument parser */