1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c
index 5f8501c68da4..5cbba70bcdd0 100644
--- a/tools/perf/tests/evsel-tp-sched.c
+++ b/tools/perf/tests/evsel-tp-sched.c
@@ -17,7 +17,7 @@ static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name,
                 return -1;
         }
 
-        is_signed = !!(field->flags | TEP_FIELD_IS_SIGNED);
+        is_signed = !!(field->flags & TEP_FIELD_IS_SIGNED);
         if (should_be_signed && !is_signed) {
                 pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n",
                          evsel->name, name, is_signed, should_be_signed);