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-rw-r--r--src/commonmark.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/commonmark.c b/src/commonmark.c
index a9ba566..95a1ae5 100644
--- a/src/commonmark.c
+++ b/src/commonmark.c
@@ -93,7 +93,7 @@ static int shortest_unused_backtick_sequence(const char *code) {
current++;
} else {
if (current > 0 && current < 32) {
- used |= (1 << current);
+ used |= (1U << current);
}
current = 0;
}