diff --git a/src/add-ons/kernel/busses/usb/ehci_rh.cpp b/src/add-ons/kernel/busses/usb/ehci_rh.cpp
index cc4998643f..ca93003477 100644
--- a/src/add-ons/kernel/busses/usb/ehci_rh.cpp
+++ b/src/add-ons/kernel/busses/usb/ehci_rh.cpp
@@ -101,7 +101,7 @@ static ehci_root_hub_string_s sEHCIRootHubStrings[3] = {
 	},
 
 	{
-		12,								// Descriptor length
+		22,								// Descriptor length
 		USB_DESCRIPTOR_STRING,			// Descriptor type
 		{
 			'H', 'A', 'I', 'K', 'U',	// Characters
diff --git a/src/add-ons/kernel/busses/usb/uhci_rh.cpp b/src/add-ons/kernel/busses/usb/uhci_rh.cpp
index 85170605d3..49743853d0 100644
--- a/src/add-ons/kernel/busses/usb/uhci_rh.cpp
+++ b/src/add-ons/kernel/busses/usb/uhci_rh.cpp
@@ -104,7 +104,7 @@ static uhci_root_hub_string_s sUHCIRootHubStrings[3] = {
 	},
 
 	{
-		12,								// Descriptor length
+		22,								// Descriptor length
 		USB_DESCRIPTOR_STRING,			// Descriptor type
 		{
 			'H', 'A', 'I', 'K', 'U',	// Characters