diff --git a/sys-process/htop/htop-3.5.1.ebuild b/sys-process/htop/htop-3.5.1.ebuild
index 7a8bc71618b38..36452dc77b18d 100644
--- a/sys-process/htop/htop-3.5.1.ebuild
+++ b/sys-process/htop/htop-3.5.1.ebuild
@@ -43,6 +43,7 @@ BDEPEND="virtual/pkgconfig"
 DOCS=( ChangeLog README.md )
 
 CONFIG_CHECK="~TASKSTATS ~TASK_XACCT ~TASK_IO_ACCOUNTING ~CGROUPS"
+WARNING_CGROUPS="CONFIG_CGROUPS is required for the cgroups column in htop"
 
 QA_CONFIG_IMPL_DECL_SKIP=(
 	typeof # backtrace check triggers this as noise from a failure
diff --git a/sys-process/htop/htop-9999.ebuild b/sys-process/htop/htop-9999.ebuild
index 7a8bc71618b38..36452dc77b18d 100644
--- a/sys-process/htop/htop-9999.ebuild
+++ b/sys-process/htop/htop-9999.ebuild
@@ -43,6 +43,7 @@ BDEPEND="virtual/pkgconfig"
 DOCS=( ChangeLog README.md )
 
 CONFIG_CHECK="~TASKSTATS ~TASK_XACCT ~TASK_IO_ACCOUNTING ~CGROUPS"
+WARNING_CGROUPS="CONFIG_CGROUPS is required for the cgroups column in htop"
 
 QA_CONFIG_IMPL_DECL_SKIP=(
 	typeof # backtrace check triggers this as noise from a failure