diff --git a/src/common/string.cpp b/src/common/string.cpp
index 0de23bf158..92573c4d4b 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -603,7 +603,7 @@ wxString wxString::Before(char ch) const
   wxString str;
   int iPos = Find(ch, TRUE);
   if ( iPos != NOT_FOUND && iPos != 0 )
-    str = wxString(c_str(), iPos - 1);
+    str = wxString(c_str(), iPos);
 
   return str;
 }