diff --git a/src/slic3r/GUI/OptionsGroup.cpp b/src/slic3r/GUI/OptionsGroup.cpp
index 6fa4702af8..eab60e78d4 100644
--- a/src/slic3r/GUI/OptionsGroup.cpp
+++ b/src/slic3r/GUI/OptionsGroup.cpp
@@ -244,12 +244,11 @@ void OptionsGroup::append_line(const Line& line)
 //BBS: get line for opt_key
 Line* OptionsGroup::get_line(const std::string& opt_key)
 {
-    for (auto& l : m_lines)
+    for (int index = 0; index < m_lines.size(); index++)
     {
-        if(l.is_separator())
-            continue;
-        if (l.get_first_option_key() == opt_key)
-            return &l;
+        for (auto & opt : m_lines[index].get_options())
+            if (opt.opt_id == opt_key)
+                return &(m_lines[index]);
     }
 
     return nullptr;