Index: base/system/regsvr32/regsvr32.c
===================================================================
--- base/system/regsvr32/regsvr32.c	(revision 71329)
+++ base/system/regsvr32/regsvr32.c	(working copy)
@@ -292,7 +292,7 @@
 
 	// Find all arguments starting with a slash (/)
 	for (i = 1; i < argc; i++) {
-		if (*argv[i] == _T('/')) {
+		if (*argv[i] == _T('/') || *argv[i] == '-') {
 			switch (argv[i][1]) {
 			case _T('u'):
 			case _T('U'):