diff --git a/tests/auto/network/kernel/qhostinfo/qhostinfo.pro b/tests/auto/network/kernel/qhostinfo/qhostinfo.pro
index aceedc1ee4e..4ca59b5b70e 100644
--- a/tests/auto/network/kernel/qhostinfo/qhostinfo.pro
+++ b/tests/auto/network/kernel/qhostinfo/qhostinfo.pro
@@ -10,3 +10,5 @@ wince*: {
 } else {
   win32:LIBS += -lws2_32
 }
+
+linux-*:CONFIG+=insignificant_test    # QTBUG-23837 - test is unstable