diff --git a/devel/librevisa/files/patch-src_usb_usb__resource__creator.cpp b/devel/librevisa/files/patch-src_usb_usb__resource__creator.cpp
new file mode 100644
index 000000000000..79a54c12a5d4
--- /dev/null
+++ b/devel/librevisa/files/patch-src_usb_usb__resource__creator.cpp
@@ -0,0 +1,11 @@
+--- src/usb/usb_resource_creator.cpp.orig	2013-04-08 15:47:56 UTC
++++ src/usb/usb_resource_creator.cpp
+@@ -293,7 +293,7 @@ bool usb_resource::creator::open_device_and_get_serial
+         {
+                 uint8_t bLength;
+                 uint8_t bDescriptorType;
+-                uint16_t bString[0];
++                char16_t bString[0];
+         };
+ 
+         /// @todo may not be portable everywhere
diff --git a/devel/librevisa/files/patch-src_usb_usb__string.h b/devel/librevisa/files/patch-src_usb_usb__string.h
new file mode 100644
index 000000000000..d7bc6393e889
--- /dev/null
+++ b/devel/librevisa/files/patch-src_usb_usb__string.h
@@ -0,0 +1,11 @@
+--- src/usb/usb_string.h.orig	2013-01-07 10:35:29 UTC
++++ src/usb/usb_string.h
+@@ -25,7 +25,7 @@ namespace usb {
+ namespace librevisa {
+ namespace usb {
+ 
+-typedef std::basic_string<uint16_t> usb_string;
++typedef std::basic_string<char16_t> usb_string;
+ 
+ }
+ }