diff --git a/profiles/realtime-virtual-guest/tuned.conf b/profiles/realtime-virtual-guest/tuned.conf
index 3085ade..71085a8 100644
--- a/profiles/realtime-virtual-guest/tuned.conf
+++ b/profiles/realtime-virtual-guest/tuned.conf
@@ -24,4 +24,4 @@ assert2=${f:assertion:isolated_cores contains present CPU(s):${isolated_cores_ex
 script=${i:PROFILE_DIR}/script.sh
 
 [bootloader]
-cmdline+=nohz=on nohz_full=${isolated_cores} rcu_nocbs=${isolated_cores}
+cmdline_rvg+=nohz=on nohz_full=${isolated_cores} rcu_nocbs=${isolated_cores}
diff --git a/profiles/realtime-virtual-host/tuned.conf b/profiles/realtime-virtual-host/tuned.conf
index bd23529..d7404d0 100644
--- a/profiles/realtime-virtual-host/tuned.conf
+++ b/profiles/realtime-virtual-host/tuned.conf
@@ -55,4 +55,4 @@ group.ktimersoftd=0:f:3:*:ktimersoftd.*
 script=${i:PROFILE_DIR}/script.sh
 
 [bootloader]
-cmdline+=nohz=on nohz_full=${isolated_cores} rcu_nocbs=${isolated_cores}
+cmdline_rvh+=nohz=on nohz_full=${isolated_cores} rcu_nocbs=${isolated_cores}