diff --git a/compiler-rt/lib/scudo/standalone/stack_depot.h b/compiler-rt/lib/scudo/standalone/stack_depot.h
index c4d9b277a1c58b..f2f4d95977958e 100644
--- a/compiler-rt/lib/scudo/standalone/stack_depot.h
+++ b/compiler-rt/lib/scudo/standalone/stack_depot.h
@@ -121,7 +121,7 @@ class StackDepot {
     u64 HashWithTagBit = (u64(Hash) << 1) | 1;
     if ((Entry & 0x1ffffffff) != HashWithTagBit)
       return false;
-    u32 Size = Entry >> 33;
+    u32 Size = u32(Entry >> 33);
     if (Size >= RingSize)
       return false;
     *RingPosPtr = (RingPos + 1) & RingMask;