diff --git a/lib/parse.h b/lib/parse.h
index 4acc2aa168..adc2d98148 100644
--- a/lib/parse.h
+++ b/lib/parse.h
@@ -48,4 +48,8 @@ class InvalidBase64Exception
 
 string base64_encode (const char* from, size_t length) throw(InvalidBase64Exception);
 string base64_decode (const char* from, size_t length) throw(InvalidBase64Exception);
+inlie string base64_decode (string const& from) throw(InvalidBase64Exception)
+{
+    return base64_decode(from.c_str(), from.length());
+}