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-rw-r--r--core/buffer-test.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/core/buffer-test.c b/core/buffer-test.c
index cb3f1d9..dfdb466 100644
--- a/core/buffer-test.c
+++ b/core/buffer-test.c
@@ -68,7 +68,7 @@ int main(int argc, char *argv[]) {
ok(buffer_printf(&buf, "%d\n", 42) && compare0(&buf, "42\n"), "Set formatted overwrite");
buffer_clear(&buf);
- ok(buffer_printf(&buf, "") && compare0(&buf, ""), "Set formatted empty string");
+ ok(buffer_printf(&buf, "%s", "") && compare0(&buf, ""), "Set formatted empty string");
buffer_clear(&buf);
bool append = true;
@@ -79,7 +79,7 @@ int main(int argc, char *argv[]) {
append = true;
for (int i = 1; i <= 10; i++)
- append &= buffer_appendf(&buf, "");
+ append &= buffer_appendf(&buf, "%s", "");
ok(append && compare0(&buf, ""), "Append formatted empty string");
buffer_clear(&buf);
}