From efcb8fb5d01b0e5defb44e79751848a93399cac7 Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Fri, 24 Oct 2025 04:23:08 +1100
Subject: [PATCH] Cast to UINT32 before shifting bits

---
 src/libImaging/BcnDecode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libImaging/BcnDecode.c b/src/libImaging/BcnDecode.c
index ac81ed6df3d..d99b0e28e8a 100644
--- a/src/libImaging/BcnDecode.c
+++ b/src/libImaging/BcnDecode.c
@@ -663,7 +663,7 @@ half_to_float(UINT16 h) {
     if (o.f >= m.f) {
         o.u |= 255 << 23;
     }
-    o.u |= (h & 0x8000) << 16;
+    o.u |= (UINT32)(h & 0x8000) << 16;
     return o.f;
 }