diff --git a/pkgs/os-specific/linux/kernel/linux-3.0.nix b/pkgs/os-specific/linux/kernel/linux-3.0.nix
index 113b310cbd2e..d17775c9066c 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.0.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.0.nix
@@ -56,6 +56,8 @@ let
       IPW2200_MONITOR y # support promiscuous mode
       HOSTAP_FIRMWARE y # Support downloading firmware images with Host AP driver
       HOSTAP_FIRMWARE_NVRAM y
+      ATH9K_PCI y # Detect Atheros AR9xxx cards on PCI(e) bus
+      ATH9K_AHB y # Ditto, AHB bus
 
       # Some settings to make sure that fbcondecor works - in particular,
       # disable tileblitting and the drivers that need it.
diff --git a/pkgs/os-specific/linux/kernel/linux-3.1.nix b/pkgs/os-specific/linux/kernel/linux-3.1.nix
index 201b309f90c5..18514af45016 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.1.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.1.nix
@@ -56,6 +56,8 @@ let
       IPW2200_MONITOR y # support promiscuous mode
       HOSTAP_FIRMWARE y # Support downloading firmware images with Host AP driver
       HOSTAP_FIRMWARE_NVRAM y
+      ATH9K_PCI y # Detect Atheros AR9xxx cards on PCI(e) bus
+      ATH9K_AHB y # Ditto, AHB bus
 
       # Some settings to make sure that fbcondecor works - in particular,
       # disable tileblitting and the drivers that need it.