1 files changed, 1 insertions, 1 deletions

diff --git a/src/ft2csv.c b/src/ft2csv.c
index d8e8e95..6a0402d 100644
--- a/src/ft2csv.c
+++ b/src/ft2csv.c
@@ -289,7 +289,7 @@ static void find_event_by_eid(struct timestamp *first, struct timestamp* end)
         int interrupted = 0;
 
         second = find_second_ts(first, end, &interrupted);
-        if (second) {
+        if (second && second->timestamp > first->timestamp) {
                 exec_time = second->timestamp - first->timestamp;
                 if (first->task_type != TSK_RT &&
                          second->task_type != TSK_RT && !want_best_effort)