Index: src/libchcore/TString.cpp
===================================================================
diff -u -N -ref57f6e998de7ed89a492d664c2c2656e357bf9f -r7ae0f5911d045f82328b6cfb88eccf67113708fa
--- src/libchcore/TString.cpp	(.../TString.cpp)	(revision ef57f6e998de7ed89a492d664c2c2656e357bf9f)
+++ src/libchcore/TString.cpp	(.../TString.cpp)	(revision 7ae0f5911d045f82328b6cfb88eccf67113708fa)
@@ -694,6 +694,8 @@
 
 		stStartPos = stFindPos + stWithWhatLen;	// offset by stWithWhatLen because we replaced text
 		stCurrentLength = stCurrentLength + stWithWhatLen - stWhatLen;
+
+		GetInternalStringData()->SetStringLength(stCurrentLength);
 	}
 }