diff --git a/common/gui_options.cpp b/common/gui_options.cpp
index f3e4bfc01f3..70c7154476f 100644
--- a/common/gui_options.cpp
+++ b/common/gui_options.cpp
@@ -119,6 +119,7 @@ String parseGameGUIOptions(const String &str) {
 				c_end = str.size();
 			if (str.substr(ii, c_end - ii).equals((g_gameOptions[i].desc)))
 				res += g_gameOptions[i].option;
+			ii = c_end;
 		}
 	}