diff --git a/lldb/source/Interpreter/OptionGroupOutputFile.cpp b/lldb/source/Interpreter/OptionGroupOutputFile.cpp
index ec9e166..75ae380 100644
--- a/lldb/source/Interpreter/OptionGroupOutputFile.cpp
+++ b/lldb/source/Interpreter/OptionGroupOutputFile.cpp
@@ -62,7 +62,7 @@
     switch (short_option)
     {
         case 'o':
-            error = m_file.SetValueFromCString (option_arg);
+            error = m_file.SetValueFromString (option_arg);
             break;
 
         case SHORT_OPTION_APND: