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-rw-r--r--erts/emulator/beam/big.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h
index d80111822e..da31876d75 100644
--- a/erts/emulator/beam/big.h
+++ b/erts/emulator/beam/big.h
@@ -101,7 +101,7 @@ typedef Uint dsize_t; /* Vector size type */
#define ERTS_SINT64_HEAP_SIZE(X) \
(IS_SSMALL((X)) \
? 0 \
- : ERTS_UINT64_BIG_HEAP_SIZE__((X) >= 0 ? (X) : -(X)))
+ : ERTS_UINT64_BIG_HEAP_SIZE__((X) >= 0 ? (X) : -(Uint64)(X)))
#define ERTS_UINT64_HEAP_SIZE(X) \
(IS_USMALL(0, (X)) ? 0 : ERTS_UINT64_BIG_HEAP_SIZE__((X)))