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-rw-r--r--util/stm32mon.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/stm32mon.c b/util/stm32mon.c
index ff72e2f75e..1ab8c54a8b 100644
--- a/util/stm32mon.c
+++ b/util/stm32mon.c
@@ -87,7 +87,7 @@ const struct {
CMD_LOOKUP_ENTRY(RU),
};
-const char *cmd_lookup_name(char cmd)
+const char *cmd_lookup_name(uint8_t cmd)
{
int i;
for (i = 0; i < ARRAY_SIZE(cmd_lookup_table); i++) {