diff --git a/src/scheduler/testsuite/test_repl_trace_baseline.c b/src/scheduler/testsuite/test_repl_trace_baseline.c
index 37b56782..7e500971 100644
--- a/src/scheduler/testsuite/test_repl_trace_baseline.c
+++ b/src/scheduler/testsuite/test_repl_trace_baseline.c
@@ -902,7 +902,12 @@ static void remove_workdir(void)
         return;
     }
     for (i = 0; i < sizeof(names) / sizeof(names[0]); i++) {
-        snprintf(path, sizeof(path), "%s/%s", g_workdir, names[i]);
+        int n = snprintf(path, sizeof(path), "%s/%s", g_workdir, names[i]);
+
+        /* A truncated path names some other file: leave it alone. */
+        if ((n < 0) || ((size_t)n >= sizeof(path))) {
+            continue;
+        }
         unlink(path);
     }
     rmdir(g_workdir);