1 files changed, 1 insertions, 1 deletions
diff --git a/src/nvim/api/deprecated.c b/src/nvim/api/deprecated.c
index f345edc52c..a96485be83 100644
--- a/src/nvim/api/deprecated.c
+++ b/src/nvim/api/deprecated.c
@@ -729,7 +729,7 @@ static void set_option_to(uint64_t channel_id, void *to, int type, String name,
              "Option '%s' value is out of range", name.data, {
       return;
     });
-    optval = NUMBER_OPTVAL(value.data.integer);
+    optval = NUMBER_OPTVAL((OptInt)value.data.integer);
   } else {
     VALIDATE(value.type == kObjectTypeString, "Option '%s' value must be String", name.data, {
       return;