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-rw-r--r--tests/qtest/npcm7xx_rng-test.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/qtest/npcm7xx_rng-test.c b/tests/qtest/npcm7xx_rng-test.c
index e7cde85fbb..c614968ffc 100644
--- a/tests/qtest/npcm7xx_rng-test.c
+++ b/tests/qtest/npcm7xx_rng-test.c
@@ -126,7 +126,7 @@ static double calc_runs_p(const unsigned long *buf, unsigned int nr_bits)
     pi = (double)nr_ones / nr_bits;
 
     for (k = 0; k < nr_bits - 1; k++) {
-        vn_obs += !(test_bit(k, buf) ^ test_bit(k + 1, buf));
+        vn_obs += (test_bit(k, buf) ^ test_bit(k + 1, buf));
     }
     vn_obs += 1;