diff --git a/RubyTest.rb b/RubyTest.rb
index 21df426..95adfc5 100644
--- a/RubyTest.rb
+++ b/RubyTest.rb
@@ -99,7 +99,7 @@ module RubyTest
             Prof::win_focus(win_tag)
 
             if (line)
-                Prof::win_process_line(win_tag, line)
+                handle_lower.call(win_tag, line)
             end
         }
     end
diff --git a/luatest.lua b/luatest.lua
index 46f0f31..3104195 100644
--- a/luatest.lua
+++ b/luatest.lua
@@ -34,7 +34,7 @@ local function cmd_bracket(line)
     prof_win_focus(win_tag);
 
     if line then
-        prof_win_process_line(win_tag, line);
+        handle_bracket(win_tag, line)
     end
 end
 
diff --git a/python-test.py b/python-test.py
index 63f6ed2..b667ed5 100644
--- a/python-test.py
+++ b/python-test.py
@@ -27,7 +27,7 @@ def _cmd_upper(line):
     prof.win_focus(_win_tag)
 
     if line:
-        prof.win_process_line(_win_tag, line)
+        _handle_upper(_win_tag, line)
 
 def _handle_upper(win, line):
     prof.win_show(win, line.upper())
diff --git a/test-c-plugin/test-c-plugin.c b/test-c-plugin/test-c-plugin.c
index 9c75c99..de7e45a 100644
--- a/test-c-plugin/test-c-plugin.c
+++ b/test-c-plugin/test-c-plugin.c
@@ -62,7 +62,7 @@ cmd_reverse(char **args)
 
     prof_win_focus(echo_win);
     if (args[0] != NULL) {
-        prof_win_process_line(echo_win, args[0]);
+        handle_reverse(echo_win, args[0]);
     }
 }