diff --git a/tests/postbuild/bic/tst_bic.cpp b/tests/postbuild/bic/tst_bic.cpp
index 0d92a84f6148884f37efa2858de0494d938d01b7..623a6d501bda28f5683ec006cb778550bcd18822 100644
--- a/tests/postbuild/bic/tst_bic.cpp
+++ b/tests/postbuild/bic/tst_bic.cpp
@@ -132,6 +132,7 @@ tst_Bic::tst_Bic()
 
     /* Frederik says it's undocumented and private :) */
     bic.addBlacklistedClass(QLatin1String("QAccessible"));
+    bic.addBlacklistedClass(QLatin1String("QAccessible::QPrivateSignal"));
     bic.addBlacklistedClass(QLatin1String("QAccessibleWidget"));
     bic.addBlacklistedClass(QLatin1String("QAccessibleTextInterface"));
     bic.addBlacklistedClass(QLatin1String("QAccessibleEditableTextInterface"));