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-rw-r--r--include/hw/s390x/tod.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/hw/s390x/tod.h b/include/hw/s390x/tod.h
index cbd7552e7a..47ef9de869 100644
--- a/include/hw/s390x/tod.h
+++ b/include/hw/s390x/tod.h
@@ -56,7 +56,7 @@ typedef struct S390TODClass {
 /* Converts ns to s390's clock format */
 static inline uint64_t time2tod(uint64_t ns)
 {
-    return (ns << 9) / 125 + (((ns & 0xff10000000000000ull) / 125) << 9);
+    return (ns << 9) / 125 + (((ns & 0xff80000000000000ull) / 125) << 9);
 }
 
 /* Converts s390's clock format to ns */