diff --git a/firmware/application/file.cpp b/firmware/application/file.cpp
index 5d3013d8..2165ede5 100644
--- a/firmware/application/file.cpp
+++ b/firmware/application/file.cpp
@@ -97,6 +97,10 @@ File::Result<File::Offset> File::seek(const Offset new_position) {
 	return { static_cast<File::Offset>(old_position) };
 }
 
+File::Size File::size() {
+	return { static_cast<File::Size>(f_size(&f)) };
+}
+
 Optional<File::Error> File::write_line(const std::string& s) {
 	const auto result_s = write(s.c_str(), s.size());
 	if( result_s.is_error() ) {
diff --git a/firmware/application/ui_about.hpp b/firmware/application/ui_about.hpp
index 7c37da54..e157dd4f 100644
--- a/firmware/application/ui_about.hpp
+++ b/firmware/application/ui_about.hpp
@@ -86,7 +86,7 @@ private:
 		flags flag;
 	} credits_t;
 	
-	const credits_t credits[13] = {	{"Portapack|HAVOC", 	"Git hash " GIT_REVISION,	SECTION},
+	const credits_t credits[14] = {	{"Portapack|HAVOC", 	"Git hash " GIT_REVISION,	SECTION},
 									{"Gurus",				"J. Boone", 				TITLE},
 									{"M. Ossmann",			"", 						MEMBER_LF},
 									{"Immaturity",			"Furrtek", 					TITLE_LF},
@@ -96,6 +96,7 @@ private:
 									{"Xy. infos",			"cLx", 						TITLE_LF},
 									{"Thanks",				"",							SECTION},
 									{"Rainer Matla",		"Keld Norman",				TITLE},
+									{"Giorgio Campiotti",	"DC1RDB",					TITLE},
 									{"Sigmounte",			"Waax",						TITLE},
 									{"Windyoona",			"Channels",					TITLE_LF},
 									{"",					"MMXVII",					END}