diff --git a/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp b/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
index 7b80152b62..a3d80cb66f 100644
--- a/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
+++ b/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
@@ -1722,7 +1722,13 @@ void tst_QFileInfo::group()
 #if defined(Q_OS_UNIX)
     struct group *gr;
     gid_t gid = getegid();
+
+    errno = 0;
     gr = getgrgid(gid);
+
+    QVERIFY2(gr, qPrintable(
+        QString("getgrgid returned 0: %1, cannot determine my own group")
+        .arg(QString::fromLocal8Bit(strerror(errno)))));
     expected = QString::fromLocal8Bit(gr->gr_name);
 #endif