1 files changed, 1 insertions, 1 deletions
diff --git a/src/script/script.h b/src/script/script.h
index 4c9ac74b78..4aea439e01 100644
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -304,7 +304,7 @@ private:
       // If the input vector's most significant byte is 0x80, remove it from
       // the result's msb and return a negative.
       if (vch.back() & 0x80)
-          return -(result & ~(0x80ULL << (8 * (vch.size() - 1))));
+          return -((int64_t)(result & ~(0x80ULL << (8 * (vch.size() - 1)))));
 
       return result;
     }