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-rw-r--r--scd/ccid-driver.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/scd/ccid-driver.c b/scd/ccid-driver.c
index fdfe1f510..1926f7115 100644
--- a/scd/ccid-driver.c
+++ b/scd/ccid-driver.c
@@ -290,7 +290,7 @@ static int send_escape_cmd (ccid_driver_t handle, const unsigned char *data,
static unsigned int
convert_le_u32 (const unsigned char *buf)
{
- return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
+ return buf[0] | (buf[1] << 8) | (buf[2] << 16) | ((unsigned int)buf[3] << 24);
}