diff --git a/src/test/test-execute.c b/src/test/test-execute.c
index e6715f9574..0e378f68c0 100644
--- a/src/test/test-execute.c
+++ b/src/test/test-execute.c
@@ -54,6 +54,9 @@ static void check(Manager *m, Unit *unit, int status_expected, int code_expected
                 n = now(CLOCK_MONOTONIC);
                 if (ts + timeout < n) {
                         log_error("Test timeout when testing %s", unit->id);
+                        r = UNIT_VTABLE(unit)->kill(unit, KILL_ALL, 9, NULL);
+                        if (r < 0)
+                                log_error_errno(r, "Failed to kill %s: %m", unit->id);
                         exit(EXIT_FAILURE);
                 }
         }