1 files changed, 2 insertions, 1 deletions
diff --git a/source/fud_string.cpp b/source/fud_string.cpp
index c444a74..3ba6603 100644
--- a/source/fud_string.cpp
+++ b/source/fud_string.cpp
@@ -500,8 +500,9 @@ DrainResult String::drain(StringView source)
     auto* destPtr = data() + length();
     auto status = copyMem(destPtr, remainingLength(), source.data(), source.length());
     fudAssert(status == FudStatus::Success);
+    result.bytesWritten += source.length();
 
-    m_length += source.length();
+    m_length = newLength;
     status = nullTerminate();
 
     return result;