Index: trunk/ChameleonPrefPane/Sources/KernOptionsParser.cpp
===================================================================
--- trunk/ChameleonPrefPane/Sources/KernOptionsParser.cpp	(revision 453)
+++ trunk/ChameleonPrefPane/Sources/KernOptionsParser.cpp	(revision 454)
@@ -46,7 +46,8 @@
 	if (found==std::string::npos) return;
 	// find the end of the flag
 	for ( pos=found+f.length(); pos<l && _options[pos]!=' '; pos++);
-	_options.erase(found, pos);
+	if (pos==l) _options.erase(found); // eol and no space found , remove till the end
+	else _options.erase(found, pos-found+1);
 	_options = trim(_options);
 }