diff --git a/README.md b/README.md
index 21311dd8..11444d9c 100644
--- a/README.md
+++ b/README.md
@@ -650,6 +650,7 @@ parm:           C3A_Enable:Enable C3 Auto Demotion (short)
 parm:           C1A_Enable:Enable C3 Auto Demotion (short)
 parm:           C3U_Enable:Enable C3 UnDemotion (short)
 parm:           C1U_Enable:Enable C1 UnDemotion (short)
+parm:           C2U_Enable:Enable C2 UnDemotion (short)
 parm:           CC6_Enable:Enable Core C6 State (short)
 parm:           PC6_Enable:Enable Package C6 State (short)
 parm:           ODCM_Enable:Enable On-Demand Clock Modulation (short)
diff --git a/x86_64/corefreqk.c b/x86_64/corefreqk.c
index 55dae59c..0a4c3f9b 100644
--- a/x86_64/corefreqk.c
+++ b/x86_64/corefreqk.c
@@ -274,8 +274,10 @@ module_param(C3U_Enable, short, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
 MODULE_PARM_DESC(C3U_Enable, "Enable C3 UnDemotion");
 
 static signed short C1U_Enable = -1;
-module_param(C1U_Enable, short, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
+module_param_named(C1U_Enable,C1U_Enable,short,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
+module_param_named(C2U_Enable,C1U_Enable,short,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
 MODULE_PARM_DESC(C1U_Enable, "Enable C1 UnDemotion");
+MODULE_PARM_DESC(C2U_Enable, "Enable C2 UnDemotion");
 
 static signed short CC6_Enable = -1;
 module_param(CC6_Enable, short, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);