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-rw-r--r--src/eval.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/eval.c b/src/eval.c
index 8b1ceaea8..8670e1240 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1704,7 +1704,10 @@ ex_let_one(
&stringval, opt_flags);
if ((opt_type == 1 && *op == '.')
|| (opt_type == 0 && *op != '.'))
+ {
EMSG2(_(e_letwrong), op);
+ s = NULL; /* don't set the value */
+ }
else
{
if (opt_type == 1) /* number */