diff --git a/sys/alpha/conf/GENERIC b/sys/alpha/conf/GENERIC
index 6c74c337b09..6e36f1d25cb 100644
--- a/sys/alpha/conf/GENERIC
+++ b/sys/alpha/conf/GENERIC
@@ -53,6 +53,7 @@ controller	isa0
 # sufficient for any number of installed devices.
 controller	ncr0
 controller	isp0
+controller	ahc0
 #controller	esp0
 
 controller	scbus0
diff --git a/sys/alpha/conf/NOTES b/sys/alpha/conf/NOTES
index 6c74c337b09..6e36f1d25cb 100644
--- a/sys/alpha/conf/NOTES
+++ b/sys/alpha/conf/NOTES
@@ -53,6 +53,7 @@ controller	isa0
 # sufficient for any number of installed devices.
 controller	ncr0
 controller	isp0
+controller	ahc0
 #controller	esp0
 
 controller	scbus0