diff --git a/src/xenia/base/string_buffer.cc b/src/xenia/base/string_buffer.cc
index 90d386f23..050ddf9d8 100644
--- a/src/xenia/base/string_buffer.cc
+++ b/src/xenia/base/string_buffer.cc
@@ -52,6 +52,13 @@ void StringBuffer::Append(char c) {
   AppendBytes(reinterpret_cast<const uint8_t*>(&c), 1);
 }
 
+void StringBuffer::Append(char c, size_t count) {
+  Grow(count + 1);
+  std::memset(buffer_ + buffer_offset_, c, count);
+  buffer_offset_ += count;
+  buffer_[buffer_offset_] = 0;
+}
+
 void StringBuffer::Append(const char* value) {
   AppendBytes(reinterpret_cast<const uint8_t*>(value), std::strlen(value));
 }
diff --git a/src/xenia/base/string_buffer.h b/src/xenia/base/string_buffer.h
index bd6063fe4..16900824a 100644
--- a/src/xenia/base/string_buffer.h
+++ b/src/xenia/base/string_buffer.h
@@ -29,6 +29,7 @@ class StringBuffer {
   void Reset();
 
   void Append(char c);
+  void Append(char c, size_t count);
   void Append(const char* value);
   void Append(const std::string_view value);