Fix some random -Wconversion warnings

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libutil/serialise.hh b/src/libutil/serialise.hh
index d0b4552e3399..6e703c52a1e3 100644
--- a/src/libutil/serialise.hh
+++ b/src/libutil/serialise.hh
@@ -227,7 +227,7 @@ inline Sink & operator << (Sink & sink, uint64_t n)
     buf[4] = (n >> 32) & 0xff;
     buf[5] = (n >> 40) & 0xff;
     buf[6] = (n >> 48) & 0xff;
-    buf[7] = (n >> 56) & 0xff;
+    buf[7] = (unsigned char) (n >> 56) & 0xff;
     sink(buf, sizeof(buf));
     return sink;
 }
@@ -259,7 +259,7 @@ T readNum(Source & source)
     if (n > std::numeric_limits<T>::max())
         throw SerialisationError("serialised integer %d is too large for type '%s'", n, typeid(T).name());
 
-    return n;
+    return (T) n;
 }