diff --git a/tests/auto/opengl/qglfunctions/qglfunctions.pro b/tests/auto/opengl/qglfunctions/qglfunctions.pro
index 5851b159b1..45a8b4eb9e 100644
--- a/tests/auto/opengl/qglfunctions/qglfunctions.pro
+++ b/tests/auto/opengl/qglfunctions/qglfunctions.pro
@@ -5,3 +5,5 @@ requires(contains(QT_CONFIG,opengl))
 QT += opengl widgets testlib
 
 SOURCES += tst_qglfunctions.cpp
+
+win32:CONFIG+=insignificant_test # QTBUG-26390