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-rw-r--r--include/slibtool/slibtool.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/slibtool/slibtool.h b/include/slibtool/slibtool.h
index c01c0e3..cc795bb 100644
--- a/include/slibtool/slibtool.h
+++ b/include/slibtool/slibtool.h
@@ -26,7 +26,7 @@ extern "C" {
#define SLBT_ERROR 0x02
/* driver flags */
-#define SLBT_DRIVER_XFLAG(x) ((uint64_t)x << 32)
+#define SLBT_DRIVER_XFLAG(x) ((uint64_t)(x) << 32)
#define SLBT_DRIVER_VERBOSITY_NONE 0x0000
#define SLBT_DRIVER_VERBOSITY_ERRORS 0x0001