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-rw-r--r--dev/boot/src/BootTextWriter.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/dev/boot/src/BootTextWriter.cc b/dev/boot/src/BootTextWriter.cc
index 0b132f83..95e248a2 100644
--- a/dev/boot/src/BootTextWriter.cc
+++ b/dev/boot/src/BootTextWriter.cc
@@ -157,7 +157,7 @@ Boot::BootTextWriter& Boot::BootTextWriter::_Write(const UInt64& x)
return *this;
}
- if (y < 0)
+ if (y == ~0UL)
y = -y;
const char cNumbers[] = "0123456789ABCDEF";