1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/ec/ecp_smpl.c b/src/lib/libcrypto/ec/ecp_smpl.c
index 4666a052bf..e9a51fb87a 100644
--- a/src/lib/libcrypto/ec/ecp_smpl.c
+++ b/src/lib/libcrypto/ec/ecp_smpl.c
@@ -896,7 +896,7 @@ int ec_GFp_simple_oct2point(const EC_GROUP *group, EC_POINT *point,
                 }
         form = buf[0];
         y_bit = form & 1;
-        form = form & ~1;
+        form = form & ~1U;
         if ((form != 0) && (form != POINT_CONVERSION_COMPRESSED)
                 && (form != POINT_CONVERSION_UNCOMPRESSED)
                 && (form != POINT_CONVERSION_HYBRID))