diff --git a/data/favicon.json b/data/favicon.json
index 18749fa..62eb98c 100644
--- a/data/favicon.json
+++ b/data/favicon.json
@@ -378,6 +378,7 @@
 	"oclc.org": "oclc.org.ico",
 	"office-partner.de": "office-partner.de.ico",
 	"officepartnerde.onmicrosoft.com": "office-partner.de.ico",
+	"olb.de": "olb.de.png",
 	"omniva.ee": "omniva.ee.webp",
 	"onedrive.com": "onedrive.com.ico",
 	"opavote.com": "opavote.com.png",
diff --git a/data/favicon/olb.de.png b/data/favicon/olb.de.png
new file mode 100644
index 0000000..80a6a1f
Binary files /dev/null and b/data/favicon/olb.de.png differ
diff --git a/data/signersDefault.json b/data/signersDefault.json
index e81df76..a5f50c9 100644
--- a/data/signersDefault.json
+++ b/data/signersDefault.json
@@ -2461,6 +2461,12 @@
 			"sdid": "office-partner.de officepartnerde.onmicrosoft.com",
 			"ruletype": "ALL",
 			"priority": "DEFAULT_RULE_ALL"
+		}, {
+			"domain": "olb.de",
+			"addr": "*",
+			"sdid": "olb.de",
+			"ruletype": "ALL",
+			"priority": "DEFAULT_RULE_ALL"
 		}, {
 			"domain": "omniva.ee",
 			"addr": "*",