diff --git a/src/network/ssl/qsslcertificate.cpp b/src/network/ssl/qsslcertificate.cpp
index af265db6e4..bbc60f674c 100644
--- a/src/network/ssl/qsslcertificate.cpp
+++ b/src/network/ssl/qsslcertificate.cpp
@@ -901,6 +901,7 @@ static const char *certificate_blacklist[] = {
     "92:39:d5:34:8f:40:d1:69:5a:74:54:70:e1:f2:3f:43",
     "b0:b7:13:3e:d0:96:f9:b5:6f:ae:91:c8:74:bd:3a:c0",
     "d8:f3:5f:4e:b7:87:2b:2d:ab:06:92:e3:15:38:2f:b0",
+    "05:e2:e6:a4:cd:09:ea:54:d6:65:b0:75:fe:22:a2:56",
     0
 };
 
diff --git a/tests/auto/qsslcertificate/more-certificates/blacklisted-google.com-diginotar.pem b/tests/auto/qsslcertificate/more-certificates/blacklisted-google.com-diginotar.pem
new file mode 100644
index 0000000000..12bbcae082
--- /dev/null
+++ b/tests/auto/qsslcertificate/more-certificates/blacklisted-google.com-diginotar.pem
@@ -0,0 +1,30 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----